Amazon.com: 2 x Open SFP Slot + 4 x UTP Cat5e/Cat6 10/100/1000 Copper Ports - Gigabit Ethernet - Fiber Media Converter - Mini Switch - AutoSensing - SFP Slot Supporting Any Mini GBIC/SFP Gigabit Type : Electronics
Dell Networking, Transceiver, SFP, 1GbE, ZX, 1550nm Wavelength, 80km Reach on 9/125um SMF - Kit | Dell USA