Tested, working Cisco WS-X4920-GB-RJ45 20 Port Gigabit RJ-45 Ethernet Module

Cisco WS-X4920-GB-RJ45 20 Port Gigabit RJ-45 Ethernet Module

WS-X4920-GB-RJ45--Catalyst 4900M 20-port Gigabit RJ-45 half card

Cisco 20-Port RJ-45 WS-X4920-GB-RJ45 10/100/1000 RJ45 Switch Module for 4900M

LOT OF 10 HPE JD092B X130 10G SFP+ LC SR Transceiver

Cisco Catalyst 4900M 20-PORT 10/100/1000 RJ-45 Half Card WS-X4920-GB-RJ45

SFP-10G-LR CISCO 10-2457-02 10GBASE-LR SFP+ Transceiver

CISCO WS-X4920-GB-RJ45 / WSX4920GBRJ45 (USED)