iogear GPSU21W6. Network connection type: Ethernet LAN, Networking standards: IEEE 802.3, IEEE 802.3u, Ethernet LAN data transfer rates: 10, 100 Mbit/s. Supported network protocols: IPX, TCP/IP, NETBUEI, APPLETALK, lpr, smb. Width: 61 mm, Depth: 57.2 mm, Height: 25.4 mm. Compatible operating systems: Windows 98SE/ME/2000/XP/Vista/7 (32 / 64-bit), Mac OS 9.22, Unix/Linux, Cabling technology: 10/100Base-T(X)