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SFP28 25G Copper Twinax Cable XM D...gearlinkoptic द्वारा
https://www.gearlinkoptic.com/products/sfp28-25g-copper-twinax-cable-xm-dac/
SFP28 Direct Attach Cables (25g dac) are compliant with SFF-8432 and SFF-8402 specification...