Connectors: 1 x RJ45 BUS: 32-bit PCI 2.2 LEDs: Link, Activity Dimensions: 0.6 x 5.1 x 6.1 in. Weight: 2 oz. Temperature: 0 – 50°C (32 – 122°F) Humidity: 10 – 90%, non-condensing Features: Supports Gigabit speeds over existing network cable Does not require fiber optic cabling to run Gigabit speeds Supports 32-bit PCI V2.2, 2.1 and 2.0, 33/66 MHz Full duplex speeds (20 Mbps, 200 Mbps, 2000 Mbps) Full duplex flow control (IEEE 802.3x) 8 kBytes transmit buffer and 64 kBytes receive buffer Wake-On-LAN (WOL) support Supports power-down/link-down power saving Crossover detection and auto-correction Supports the most popular operating systems: Windows XP, Vista and Windows 7