This is a copper 10 Gigabit Ethernet DAC cable that comes in either an active cable or passive twinax cable assembly and connects directly into an SFP+ housing.
The active Twinax cable has active electronic components in the SFP+ housing to improve the signal quality; the passive Twinax cable is just a straight “wire” and contain no active components.
Our TOptics twinax cables are guaranteed 100% compatible and carry the Simple Technology no quibble money back guarantee and lifetime replacement warranty.