HP 3C17775 compatible 10GBase-CX CX4 to CX4 direct attach cable (Passive Copper, 0.5m). A 100% HP compatible 10GBase-CX CX4 to CX4 twinax direct attached cable that operates over passive copper, with a maximum reach of 0.50m (1.64ft). This HP compatible twinax cable has been programmed, uniquely serialized, and data-traffic and application tested to ensure it is 100% compliant and functional. Our direct attached cable will initialize and perform identically to HP's cable and is built to meet or exceed HP's specifications, and comply with MSA (Multi-Source Agreement) standards. The actual part shipped may have a different part number, but will be functionally identical and 100% compatible. Trade Agreements Act (TAA) versions of this part are available.