Extreme Networks® 10321 compatible 40GBase-CU QSFP+ to 4xSFP+ direct attach cable (Passive Copper, 3m). A 100% Extreme Networks® compatible 40GBase-CU QSFP+ to 4xSFP+ twinax direct attached cable that operates over passive copper, with a maximum reach of 3.00m (9.84ft). This Extreme Networks® 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 Extreme Networks' cable and is built to meet or exceed Extreme Networks' 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.