Amazon.com: PhyinLan Rack Mount Kit 19 Inch Large Compatibility Rack Ears for 17.3" Wide Cisco, D-Link, Dell PowerConnect, HP V1910, Linksys, and NETGEAR Switches : Electronics
Cable Matters USB C to 4 Port Gigabit Ethernet Switch (4 Port USB C to Ethernet Adapter) - USB-C and Thunderbolt 3 Port Compatible with MacBook Pro, Dell XPS, HP Spectre x360,
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Cheap Dell N2248PX-ON 48 Port Switch | Refurbished