1000BASE-T 100M SFP Optical RJ45 Transceiver For Gigabit Ethernet
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Cisco Switch Catalyst 2960-X 24 GigE, 4 x 1G SFP, LAN Base (WS-C2960X-24TS-L)
LR LINK 9270PF SFP Gigabit Ethernet Lan Card PCI E PCI Express x1 Fiber Optical Network Card Adapter Realtek RTL8111H For PC NIC|Network Cards| - AliExpress