Ethernet Features IEEE 802.3 auto-negotiation 1Gb/s Ethernet IEEE 802.3, 802.3u, 802.3ab PHY specifications Compliant Integrated PHY for 10/100/1000 Mb/s for multispeed, full, and half-duplex IEEE 802.3x and 802.3z compliant flow control support with software-controllable Rx thresholds and Tx pause frames Automatic cross-over detection function (MDI/MDI-X) IEEE 1588 protocol and 802.1AS implementation Manageability Features Management Component Transport Protocol (MCTP) Firmware Based Thermal Management IEEE 802.3 MII Management Interface MAC/PHY Control and Status Watchdog timer Extended error reporting Controller Memory Protection Vital Product Data (VPD) Support   Technical Features Data rate supported per port: 10/100/1000 Mbps Bus type: PCI Express 2.1 (5 GT/s) Bus width: 4-lane PCI Express; operable in x4, x8 and x16 slots Interrupt levels: INTA, INTB, INTC, INTD, MSI, MSI-X Controller-processor: Intel Ethernet Controller I350 Power consumption (typical): 6.0 W Storage temperature: -40 Degrees Celsius to 70 Degrees Celsius Operating temperature: 0 Degrees Celsius to 55 Degrees Celsius Storage humidity: 90 percent non-condensing relative humidity at 35 Degrees Celsius   Network Operating Systems (NOS) Software Support DOS, Novell ODI Windows XP 32-bit(64-bit) Windows Server 2003 32-bit(64-bit) Windows Vista 32-bit(64-bit) Windows 7 32-bit(64-bit) Windows 8 32-bit(64-bit) Windows 8.1 32-bit(64-bit) Windows Server 2008 32-bit(64-bit) Windows Server 2008 R2 32-bit(64-bit) Windows Server 2012 Windows Server 2012 R2 Linux 2.4 series kernel, 2.6.x, 3.x FreeBSD 7.x or most of FreeBSD UnixWare / Open Unix 8 Sun Solaris x86 VMware Xen4