The Intel Ethernet SFP28 Optic is intended for customers that are deploying 25 Gb E, but is also backwards compatible to 10 Gb E, offering a natural migration path for customers who need more bandwidth. Device Type: SFP28 transceiver module Form Factor: Plug-in module Cabling Type: 10 G Base-SR, 25 G Base-SR Data Transfer Rate: 25.78 Gbps Optical Wave Length: 850 nm Data Link Protocol: 10 Gig E, 25 Gigabit LAN Max Transfer Distance: 100 m Designed For: Ethernet Converged Network Adapter XXV710, XXV710-DA1; Ethernet Network Adapter XXV710-DA2