QSFP+ 40GArista Networks 40Gigabit Ethernet, coding as Arista Networks QSFP-40G-SR4 ^^ 40GBASE-SR4QSFP+ transceiver module, 40Gbps, multi mode, 850nm, 150m, MTP/MPO connector, Four-channel full-duplex, Hot Pluggable, support DOM ^^ Protocols SATA/SAS3, IEEE 802.3 ba, QSFP MSA Compliant ^^ 3 Warranty- Enjoy Fibermall 30-Days Free-returned, 65-Days Free-replacement 5-Years Free-maintenance ^^ CustomizationFibermall supports regular custom service for your options.