Amazon.com: TP-LINK Gigabit SFP module, 1000Base-SX Multi-mode Fiber Mini GBIC Module, Plug and Play, LC/UPC interface, Up to 550/220m distance (TL-SM311LM) : Electronics
RSP720-3CXL-GE-RF Cisco Network Component
Amazon.com: 1.25G Single Mode SFP LC Module for Cisco GLC-LH-SMD, 1000Base-LX/LH Mini GBIC, Gigabit SFP, 1310nm SMF, up to 20km, for Cisco, Meraki,Ubiquiti UF-SM-1G,TP-Link TL-SM311LS and More, 2-Pack : Electronics
Cisco 7301 Router Chassis - 3 x SFP (mini-GBIC), 1 x CompactFlash (CF) Card - 3 x 10/100/1000Base-T LAN CISCO7301-RF 882658049293
CISCO3945-SEC/K9 Cisco 3945 Integrated Services Router 2 x SFP (mini-GBIC) 4 x PVDM