3com Switch 5500-EI 52p PWR. Maximum data transfer rate: 0.1 Gbit/s, Bandwidth: 12.8 Gbit/s. Weight: 6300 g. Compatible operating systems: 3Com Operating System; shared with 3Com Switch 8800, 7700 and Router 6000. Dimensions (WxDxH): 440 x 270 x 43 mm, Networking features: DHCP tracker, UDP helper, traceroute, 1-1 traffic mirroring (standalone unit only)