StarTech.com Arista Networks SFP-1G-LH Compatible SFP Module, 1000BASE-LH, 1GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 1GE Gigabit Ethernet SFP, LC Connector, 40km, 1310nm, DDM

Lifetime Warranty (AR-SFP-1G-LH-ST) - SFP (mini-GBIC) transceiver module (equivalent to: Arista Networks SFP-1G-LH) - 1GbE - 1000Base-LH - LC single-mode - up to 40 km - 1310 nm