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