{"id":5829,"date":"2023-09-19T02:30:31","date_gmt":"2023-09-19T02:30:31","guid":{"rendered":"https:\/\/www.fibermall.com\/blog\/?p=5829"},"modified":"2023-10-09T03:33:17","modified_gmt":"2023-10-09T03:33:17","slug":"what-are-the-pros-and-cons-of-using-osfps-or-qsfp-dds","status":"publish","type":"post","link":"https:\/\/www.fibermall.com\/questions\/what-are-pons-and-cons-of-osfp-qsfp-dd.htm","title":{"rendered":"What are the Pros and Cons of Using OSFPs or QSFP-DDs?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"5829\" class=\"elementor elementor-5829\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-21528f56 e-flex e-con-boxed e-con e-parent\" data-id=\"21528f56\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4085a6d9 elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"4085a6d9\" data-element_type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-e5033fd elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-user-circle\" viewBox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M248 104c-53 0-96 43-96 96s43 96 96 96 96-43 96-96-43-96-96-96zm0 144c-26.5 0-48-21.5-48-48s21.5-48 48-48 48 21.5 48 48-21.5 48-48 48zm0-240C111 8 0 119 0 256s111 248 248 248 248-111 248-248S385 8 248 8zm0 448c-49.7 0-95.1-18.3-130.1-48.4 14.9-23 40.4-38.6 69.6-39.5 20.8 6.4 40.6 9.6 60.5 9.6s39.7-3.1 60.5-9.6c29.2 1 54.7 16.5 69.6 39.5-35 30.1-80.4 48.4-130.1 48.4zm162.7-84.1c-24.4-31.4-62.1-51.9-105.1-51.9-10.2 0-26 9.6-57.6 9.6-31.5 0-47.4-9.6-57.6-9.6-42.9 0-80.6 20.5-105.1 51.9C61.9 339.2 48 299.2 48 256c0-110.3 89.7-200 200-200s200 89.7 200 200c0 43.2-13.9 83.2-37.3 115.9z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t\t\t\tCatherine\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-b0a8dd8 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-calendar\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>September 19, 2023<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-42774c2 elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-clock\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8zm0 448c-110.5 0-200-89.5-200-200S145.5 56 256 56s200 89.5 200 200-89.5 200-200 200zm61.8-104.4l-84.9-61.7c-3.1-2.3-4.9-5.9-4.9-9.7V116c0-6.6 5.4-12 12-12h32c6.6 0 12 5.4 12 12v141.7l66.8 48.6c5.4 3.9 6.5 11.4 2.6 16.8L334.6 349c-3.9 5.3-11.4 6.5-16.8 2.6z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-time\">\n\t\t\t\t\t\t\t\t\t\t<time>2:30 am<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f9d5f5d e-flex e-con-boxed e-con e-parent\" data-id=\"f9d5f5d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3be4a30c e-flex e-con-boxed e-con e-parent\" data-id=\"3be4a30c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-16c89b7d elementor-widget elementor-widget-author-box\" data-id=\"16c89b7d\" data-element_type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div  class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/08\/logo-1-300x300.jpg\" alt=\"Picture of FiberMall\" loading=\"lazy\">\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<h4 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tFiberMall\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-author-box__bio\">\n\t\t\t\t\t\t<p>Answered on 2:30 am<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-edb0e42 elementor-widget elementor-widget-text-editor\" data-id=\"edb0e42\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-size: 14pt;\">Optical transceivers such as OSFP (Octal Small Form Factor Pluggable) and QSFP-DD (Quad Small Form Factor Pluggable Double Density) are integral to significant high-speed, high-density networking applications in data centers and telecommunications. Dealing with new network speeds and managing bandwidth needs, different factors might lead to a preference for one over the other.<\/span><\/p><p><span style=\"font-size: 14pt;\">Before listing the pros and cons, it is important to note the crucial differences between them:<\/span><\/p><p><span style=\"font-size: 14pt;\"><strong><b>1. Form Factor<\/b><\/strong>: OSFP is larger than QSFP-DD, resulting in a lower port density. However, this larger size allows OSFP to handle higher wattage, providing better heat dissipation and therefore potentially higher bandwidth per port in the future.<\/span><\/p><p><span style=\"font-size: 14pt;\"><strong><b>2. Compatibility<\/b><\/strong>: QSFP-DD was designed with backward compatibility with QSFP28 in mind. \u00a0You can use existing QSFP28 cables and modules in a QSFP-DD port.<\/span><\/p><p>\u00a0<\/p><p><span style=\"font-size: 14pt;\">Now, let\u2019s discuss some of the pros and cons:<\/span><\/p><p><span style=\"font-size: 18pt;\"><strong><b>OSFP<\/b><\/strong><\/span><\/p><p><span style=\"font-size: 14pt;\">Pros:<\/span><\/p><p><span style=\"font-size: 14pt;\"><strong><b>1. Higher Power Handling<\/b><\/strong>: OSFP can handle higher power up to 15W, accommodating future bandwidth needs. There is the potential to reach up to 800Gbps for future uses.<\/span><\/p><p><span style=\"font-size: 14pt;\"><strong><b>2. Thermal Efficiency<\/b><\/strong>: The larger form factor leads to better heat dissipation, which may become increasingly important as connections&#8217; power utilization and density increase.<\/span><\/p><p><span style=\"font-size: 14pt;\">Cons:<\/span><\/p><p><span style=\"font-size: 14pt;\"><strong>1. Low Port Density<\/strong>: Due to their larger size, data center rack units fitted with OSFP ports have a lower overall port density compared to those using QSFP-DD.<\/span><\/p><p><span style=\"font-size: 14pt;\"><strong>2. No Backward Compatibility<\/strong>: OSFP is not backward compatible with existing form factors, which can complicate upgrades and increase costs.<\/span><\/p><p>\u00a0<\/p><p><span style=\"font-size: 18pt;\"><strong><b>QSFP-DD<\/b><\/strong><\/span><\/p><p><span style=\"font-size: 14pt;\">Pros:<\/span><\/p><p><span style=\"font-size: 14pt;\"><strong><b>1. Backward Compatibility<\/b><\/strong>: QSFP-DD is backward compatible with QSFP, and QSFP28 modules. \u00a0This allows for easier upgrading while lowering costs by reusing existing hardware.<\/span><\/p><p><span style=\"font-size: 14pt;\"><strong><b>2. High Port Density<\/b><\/strong>: The smaller QSFP-DD form factor allows for more ports on a single switch, leading to a more compact and dense arrangement which can save precious space in data centers.<\/span><\/p><p><span style=\"font-size: 14pt;\">Cons:<\/span><\/p><p><span style=\"font-size: 14pt;\"><strong><b>1. Lower Power Handling<\/b><\/strong>: QSFP-DD power handling is lower than OSFP, making it harder to scale for future increased transmission rates.<\/span><\/p><p><span style=\"font-size: 14pt;\"><strong><b>2. Thermal Concerns<\/b><\/strong>: Due to the high port density and higher power demand for future standards, managing thermal dissipation may become a challenge.<\/span><\/p><p><span style=\"font-size: 14pt;\">The choice between QSFP-DD and OSFP will depend on your specific circumstances and long-term network goals. If you have existing QSFP infrastructure and you&#8217;re seeking a high-density configuration with measured growth in mind, QSFP-DD is a solid choice. If, however, you&#8217;re preparing for immense growth and want to set up your data center for future advancements (especially those requiring high power and efficient thermal handling), OSFP could be the better choice.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-18a12f0f e-flex e-con-boxed e-con e-parent\" data-id=\"18a12f0f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1355f734 elementor-widget elementor-widget-heading\" data-id=\"1355f734\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">People Also Ask<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4647b890 elementor-posts--thumbnail-none elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-card-shadow-yes elementor-posts__hover-gradient elementor-widget elementor-widget-posts\" data-id=\"4647b890\" data-element_type=\"widget\" data-settings=\"{&quot;cards_columns&quot;:&quot;3&quot;,&quot;cards_columns_tablet&quot;:&quot;2&quot;,&quot;cards_columns_mobile&quot;:&quot;1&quot;,&quot;cards_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;cards_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;cards_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.cards\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-cards elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20388 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-dac-aoc-cables\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-breakout.htm\"  target=\"_blank\">\n\t\t\t\tQSFP112 Breakout Guide: 400G to 2x200G and 4x100G\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>A 400G QSFP112 port looks straightforward: four high-speed electrical lanes combine to deliver one 400G interface. Breakout seems equally simple\u2014divide those lanes into two 200G links or four 100G links. In practice, however, the cable is only one part of the design. A successful QSFP112 breakout depends on the switch<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-author\">\n\t\t\tCatherine\t\t<\/span>\n\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 30, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20376 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-price.htm\"  target=\"_blank\">\n\t\t\t\tQSFP112 Price Guide 2026: 400G Module Costs, Cost Per Port and Volume Tiering\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>The same 400G DR4 optic can sell for around $500 from a factory-direct supplier and more than $1,400 from some vendor list price channels. Four price points, one standard, and four identical 500-meter links. That spread is the challenge when searching for a QSFP112 price. Google returns a long list<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-author\">\n\t\t\tCasey\t\t<\/span>\n\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 24, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20368 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-compatibility.htm\"  target=\"_blank\">\n\t\t\t\tQSFP112 Compatibility Guide: Switches, NICs and CMIS\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Priya spent most of a Tuesday morning troubleshooting a link that should have taken four minutes to bring up. She inserted a 400G QSFP112 module into an older leaf switch with a compatible-looking QSFP cage, watched the switch inventory recognize the module, and waited for the port status to turn<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-author\">\n\t\t\tCatherine\t\t<\/span>\n\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 23, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20359 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-module-types.htm\"  target=\"_blank\">\n\t\t\t\tQSFP112 Module Types: VR4, SR4, DR4, FR4 and LR4 Compared\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Send a request for \u201ca 400G QSFP112 module\u201d&nbsp;to three different vendors and you may receive three different recommendations. One vendor may quote a DR4. Another may suggest a DR4+. A third may ask about your installed fiber infrastructure and explain that neither option matches your deployment requirements. That is not<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-author\">\n\t\t\tCatherine\t\t<\/span>\n\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 22, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20346 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-vs-osfp.htm\"  target=\"_blank\">\n\t\t\t\tQSFP112 vs OSFP: Choosing the Right 400G Form Factor\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>At first glance, QSFP112 and OSFP look like two competing form factors for high-speed networking. Both appear in 400G systems, both support PAM4 signaling, and both are widely used in AI and HPC infrastructure. But treating this as a simple &#8220;QSFP112 or OSFP?&#8221; decision misses the bigger picture. The right<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-author\">\n\t\t\tBrian\t\t<\/span>\n\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 21, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20336 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-transceiver.htm\" >\n\t\t\t\tQSFP112 Transceiver: Complete 400G Guide (2026)\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Ask five network engineers whether they should deploy QSFP112 or QSFP-DD for a 400G network, and you may get five different answers. Both form factors can support 400G, both are widely available, and both have legitimate advantages depending on the platform. The right choice depends on your switch or NIC<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-author\">\n\t\t\tCasey\t\t<\/span>\n\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 20, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-141cf61a elementor-align-center elementor-widget elementor-widget-button\" data-id=\"141cf61a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/questions.htm\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Read More Questions<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-142b8e06 e-flex e-con-boxed e-con e-parent\" data-id=\"142b8e06\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5c9ac322 elementor-widget elementor-widget-heading\" data-id=\"5c9ac322\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Related Articles<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c88bd9c elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-card-shadow-yes elementor-posts__hover-gradient elementor-widget elementor-widget-posts\" data-id=\"1c88bd9c\" data-element_type=\"widget\" data-settings=\"{&quot;cards_columns&quot;:&quot;3&quot;,&quot;cards_columns_tablet&quot;:&quot;2&quot;,&quot;cards_columns_mobile&quot;:&quot;1&quot;,&quot;cards_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;cards_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;cards_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.cards\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-cards elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-6073 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.fibermall.com\/blog\/800g-sr8-400g-sr4-test-report.htm\" tabindex=\"-1\"  target=\"_blank\"><div class=\"elementor-post__thumbnail\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"183\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/10\/800g-sr8-300x183.png\" class=\"attachment-medium size-medium wp-image-6080\" alt=\"800g sr8 and 400g sr4\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/10\/800g-sr8-300x183.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/10\/800g-sr8.png 643w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/800g-sr8-400g-sr4-test-report.htm\"  target=\"_blank\">\n\t\t\t\t800G\u00a0SR8 and 400G SR4\u00a0Optical Transceiver Modules Compatibility and Interconnection Test Report\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Version Change Log Writer V0 Sample Test Cassie Test Purpose Test Objects\uff1a800G OSFP SR8\/400G OSFP SR4\/400G Q112 SR4. By conducting corresponding tests, the test parameters meet the relevant industry standards, and the test modules can be normally used for Nvidia&nbsp;(Mellanox)&nbsp;MQM9790 switch, Nvidia&nbsp;(Mellanox)&nbsp;ConnectX-7 network card and Nvidia&nbsp;(Mellanox)&nbsp;BlueField-3, laying a foundation for<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.fibermall.com\/blog\/800g-sr8-400g-sr4-test-report.htm\" aria-label=\"Read more about 800G\u00a0SR8 and 400G SR4\u00a0Optical Transceiver Modules Compatibility and Interconnection Test Report\" tabindex=\"-1\"  target=\"_blank\">\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tOctober 18, 2023\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20388 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-dac-aoc-cables\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-breakout.htm\" tabindex=\"-1\"  target=\"_blank\"><div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-breakout-300x200.jpg\" class=\"attachment-medium size-medium wp-image-20389\" alt=\"qsfp112 breakout\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-breakout-300x200.jpg 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-breakout-768x512.jpg 768w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-breakout.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-breakout.htm\"  target=\"_blank\">\n\t\t\t\tQSFP112 Breakout Guide: 400G to 2x200G and 4x100G\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>A 400G QSFP112 port looks straightforward: four high-speed electrical lanes combine to deliver one 400G interface. Breakout seems equally simple\u2014divide those lanes into two 200G links or four 100G links. In practice, however, the cable is only one part of the design. A successful QSFP112 breakout depends on the switch<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-breakout.htm\" aria-label=\"Read more about QSFP112 Breakout Guide: 400G to 2x200G and 4x100G\" tabindex=\"-1\"  target=\"_blank\">\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 30, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20376 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-price.htm\" tabindex=\"-1\"  target=\"_blank\"><div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-price-300x200.png\" class=\"attachment-medium size-medium wp-image-20382\" alt=\"qsfp112 price\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-price-300x200.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-price-1024x683.png 1024w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-price-768x512.png 768w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-price.png 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-price.htm\"  target=\"_blank\">\n\t\t\t\tQSFP112 Price Guide 2026: 400G Module Costs, Cost Per Port and Volume Tiering\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>The same 400G DR4 optic can sell for around $500 from a factory-direct supplier and more than $1,400 from some vendor list price channels. Four price points, one standard, and four identical 500-meter links. That spread is the challenge when searching for a QSFP112 price. Google returns a long list<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-price.htm\" aria-label=\"Read more about QSFP112 Price Guide 2026: 400G Module Costs, Cost Per Port and Volume Tiering\" tabindex=\"-1\"  target=\"_blank\">\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 24, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20368 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-compatibility.htm\" tabindex=\"-1\"  target=\"_blank\"><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-compatibility-300x200.png\" class=\"attachment-medium size-medium wp-image-20373\" alt=\"\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-compatibility-300x200.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-compatibility-768x512.png 768w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-compatibility.png 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-compatibility.htm\"  target=\"_blank\">\n\t\t\t\tQSFP112 Compatibility Guide: Switches, NICs and CMIS\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Priya spent most of a Tuesday morning troubleshooting a link that should have taken four minutes to bring up. She inserted a 400G QSFP112 module into an older leaf switch with a compatible-looking QSFP cage, watched the switch inventory recognize the module, and waited for the port status to turn<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-compatibility.htm\" aria-label=\"Read more about QSFP112 Compatibility Guide: Switches, NICs and CMIS\" tabindex=\"-1\"  target=\"_blank\">\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 23, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20359 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-module-types.htm\" tabindex=\"-1\"  target=\"_blank\"><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-module-types-300x200.jpg\" class=\"attachment-medium size-medium wp-image-20365\" alt=\"qsfp112 module types\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-module-types-300x200.jpg 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-module-types-768x512.jpg 768w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-module-types.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-module-types.htm\"  target=\"_blank\">\n\t\t\t\tQSFP112 Module Types: VR4, SR4, DR4, FR4 and LR4 Compared\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Send a request for \u201ca 400G QSFP112 module\u201d&nbsp;to three different vendors and you may receive three different recommendations. One vendor may quote a DR4. Another may suggest a DR4+. A third may ask about your installed fiber infrastructure and explain that neither option matches your deployment requirements. That is not<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-module-types.htm\" aria-label=\"Read more about QSFP112 Module Types: VR4, SR4, DR4, FR4 and LR4 Compared\" tabindex=\"-1\"  target=\"_blank\">\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 22, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20346 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-vs-osfp.htm\" tabindex=\"-1\"  target=\"_blank\"><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-vs-osfp-300x200.jpg\" class=\"attachment-medium size-medium wp-image-20348\" alt=\"qsfp112 vs osfp\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-vs-osfp-300x200.jpg 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-vs-osfp-768x512.jpg 768w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/qsfp112-vs-osfp.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-vs-osfp.htm\"  target=\"_blank\">\n\t\t\t\tQSFP112 vs OSFP: Choosing the Right 400G Form Factor\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>At first glance, QSFP112 and OSFP look like two competing form factors for high-speed networking. Both appear in 400G systems, both support PAM4 signaling, and both are widely used in AI and HPC infrastructure. But treating this as a simple &#8220;QSFP112 or OSFP?&#8221; decision misses the bigger picture. The right<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-vs-osfp.htm\" aria-label=\"Read more about QSFP112 vs OSFP: Choosing the Right 400G Form Factor\" tabindex=\"-1\"  target=\"_blank\">\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 21, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-20336 post type-post status-publish format-standard has-post-thumbnail hentry category-blog category-fiber-optic-transceivers\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-transceiver.htm\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/QSFP112-300x200.jpg\" class=\"attachment-medium size-medium wp-image-20342\" alt=\"QSFP112\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/QSFP112-300x200.jpg 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/QSFP112-768x512.jpg 768w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2026\/09\/QSFP112.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-transceiver.htm\" >\n\t\t\t\tQSFP112 Transceiver: Complete 400G Guide (2026)\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Ask five network engineers whether they should deploy QSFP112 or QSFP-DD for a 400G network, and you may get five different answers. Both form factors can support 400G, both are widely available, and both have legitimate advantages depending on the platform. The right choice depends on your switch or NIC<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.fibermall.com\/blog\/qsfp112-transceiver.htm\" aria-label=\"Read more about QSFP112 Transceiver: Complete 400G Guide (2026)\" tabindex=\"-1\" >\n\t\t\tRead More \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\tSeptember 20, 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<style>\r\n\r\n        .lwrp.link-whisper-related-posts{\r\n            \r\n            margin-top: 40px;\nmargin-bottom: 30px;\r\n        }\r\n        .lwrp .lwrp-title{\r\n            \r\n            \r\n        }\r\n        .lwrp .lwrp-description{\r\n            \r\n            \r\n\r\n        }\r\n        .lwrp 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