Direct Attach Cable With Auto Link Optimization For Seamless 1G Sfp, 10G Sfp+, And 25G Sfp28 Interconnects Between Unifi Devices. Supported Data Rates: 25/10/1 Gbps, Compatible With Sfp28, Sfp+, And Sfp Interfaces Auto-Optimization Of Link Speed And Stability When Used To Interconnect Unifi Devices. Cable Length: 0.15 To 30 M.