Hawking Technologies 8-Port 10/100/1000Mbps Gigabit Switch. Maximum data transfer rate: 1 Gbit/s, Supported data transfer rates: Full Duplex - 2000Mbps (for 1000BaseT), 200Mbps (for 100BaseTX), 20Mbps (for 10BaseT). MAC address table: 4000 entries. Copper ethernet cabling technology: 4, 5. Operating relative humidity range: 5 - 95 %, Operating temperature range (T-T): 0 - 40 °C. Drive device, buffer size: 0.125 MB