This Arista Networks® CAB-Q-S-50CM to Dell® 332-1664 dual OEM compatible 40GBase-CU QSFP+ to 4xSFP+ passive direct attach cable has a maximum reach of 50cm (1.64ft). It is 100% Arista 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 indvidual cables and is built to meet or exceed Arista Networks® and Dell®''s specifications, and comply with MSA (Multi-Source Agreement) standards. All of our dual OEM cables are Trade Agreements Act (TAA) compliant. We stand behind the quality of our products and proudly offer a limited lifetime warranty.