This Cisco SFP-H10GB-CU2M to Extreme Networks 10305 dual OEM compatible 10GBase-CU SFP+ to SFP+ passive TAA (Trade Acts Agreement) compliant direct attach cable has a maximum reach of 2.0m (6.6ft). It is 100% Cisco and Extreme Networks 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 Cisco and Extreme Networks's individual cables and is built to meet or exceed Cisco and Extreme Networks'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.