This Arista Networks® AOC-Q-4S-100G-5M to Cisco® SFP-25G-AOC5M dual OEM compatible 100GBase-AOC QSFP28 to 4xSFP28 active optical cable has a maximum reach of 5.0m (16.4ft). It is 100% Cisco® to Arista Networks® compatible and has been programmed, uniquely serialized, data-traffic and application tested to ensure that it is compliant and functional. This active optical cable will initialize and perform identically to Cisco® and Arista Networks®'s individual cables and is built to meet or exceed Cisco® and Arista Networks®'s specifications. This product complies with MSA (Multi-Source Agreement) standards and is TAA (Trade Acts Agreement) compliant. We stand behind the quality of our products and proudly offer a limited lifetime warranty.