This Arista Networks速 AOC-Q-Q-40G-5M compatible 40GBase-AOC QSFP+ to QSFP+ direct attach cable (850nm, MMF, 5m) is a 100% compatible active-optical direct attach cable that operates at 850nm over multi-mode fiber, with a maximum reach of 5.00m (16.40ft). This Arista Networks速 compatible active-optical cable has been programmed, uniquely serialized, and data-traffic and application tested to ensure it is 100% compliant and functional. Our direct attach cable will initialize and perform identically to Arista Networks速's cable and is built to meet or exceed Arista Networks速'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.