Cisco® QSFP-H40G-ACU8M compatible 40GBase-CU QSFP+ to QSFP+ direct attach cable (Active Copper, 8m). A 100% Cisco® compatible 40GBase-CU QSFP+ to QSFP+ twinax direct attached cable that operates over active copper, with a maximum reach of 8.00m (26.25ft). This Cisco® 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 Cisco's cable and is built to meet or exceed Cisco'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.