The difference between 25G SFP28 DAC Twinax Cable and 25G SFP28 Transceiver

 

The 25G SFP28 DAC high-speed cable consists of a passive copper core cable and two SFP28-SFP28 interface optical fiber transceiver modules. The transceiver modules are shaped like optical modules, but there is no laser installed inside. 25G DAC high-speed cables can replace 25G optical modules to achieve short-distance data transmission.

It is a cost-effective and effective solution for short-distance applications of 25G switches in data centers. Moreover, the price of 25G DAC high-speed cables is more advantageous than 25G optical modules, mainly because DAC high-speed cables do not have lasers installed, so the price is cheaper than optical modules.

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