Fanless gigabit Ethernet routing switch. 24 x 10/100/1000Base-T ports, plus 4 x shared SFP ports. Stacking, up to 8 units with 10Gbps stack throughput per switch. 400MHz CPU speed system. 32MB flash and 128MB DRAM system memory. Available in 52Gbps/38.7Mpps switch capacity and forwarding rate. For small to midsize companies and branch offices, these Ethernet switches are easy to install, manage, and run. You can deploy them in open environments outside the wiring closet. Your switch connects to and powers end-user devices throughout the office. It comes with certified one-minute plug-and-play for IP phones, an intuitive management GUI and automated set-up.