Check the listing for details. TP-LINK Technologies TP-Link (TL-SG1024D) 24-Ports Rackmountable Ethernet Switch. Condition: Used. Listed at 23.95 USD. Ports: It features 24 10/100/1000 Mbps auto-negotiation RJ45 ports that support auto MDI/MDIX, meaning you don't have to worry about using specific cable types. Performance: The switch has a 48 Gbps switching capacity and a 10 KB Jumbo frame support, which allows for fast transfer of large files. Design: The fanless design ensures quiet operation and it can be used as a desktop unit or rack-mounted with the included kit. Energy Efficiency: The device incorporates "Green Ethernet" technology, which automatically adjusts power consumption based on the cable length and link status of each port, helping to save power. Ease of Use: It requires no configuration and is a simple plug-and-play device, which means you can just connect your devices and it will work automatically.