Amazon.com: 4Pack 10GBase-LR SFP+ Transceiver, 10G Sfp Single Mode Module Duplex LC for Cisco SFP-10G-LR, Ubiquiti UF-SM-10G, D-Link, Supermicro, Netgear and Other Open Switch with DDM, 1310nm, 10km : Electronics
Cisco SFP-10G-LR-FL Module | Single Fiber Cisco SFP Connector