10Gb NIC Dual RJ45 Port PCIe Network Card with Intel X540-AT2 Controller, 10G Ethernet Converged Network LAN Adapter, Support Windows/Linux/Vmware/ESX/Freebsd Server, Compare to Intel X540-T2

Supported Operating Systems Windows 7 (IA32 and X64);Windows Server 2008 (x64 and IPF);Windows Server 2008 Core (x64 and IPF);Windows Server 2008 R2 (x64 and IPF)Windows Server 2008 R2 Core (x64 and IPF) Linux SLES 11 SP1;Microsoft Windows Server 2003* Microsoft Vista;SUSE; SLES 10 or later, Professional 9.2 or later;Microsoft Windows Virtual Server 2005 Red Hat Enterprise 4 or later;FreeBSD 5.x or later support;VMware; ESX 4.0/4.1, ESXi 5.0 support Fedora;EFI 1.1 Feature
10GBASE-T Simplifies the Transition to 10 GbE;
10G Performance at Low Cost and Low Power;
Exciting New Data Center Usage Models;
Unified Networking (iSCSI, FCoE and LAN); Flexible Port Partitioning (FPP);
Flexible I/O Virtualization (VMDq and SR- IOV): 10GBase-T network card includes Intel Virtualization Technology for connectivity (Intel VT-c) to deliver I/O virtualization and Quality of Service (QoS) features designed directly into the Intel X540 controller on the adapter;
Flexible Port Partitioning (FPP);
Data Center Bridging (DCB) delivers Lossless Ethernet. Networking:
10 GbE/1 GbE/100 Mb/s copper PHYs integrated on-chip
Support for jumbo frames of up to 15.5 KB
802.1q VLAN support
Support for Data Center Bridging(DCB);(802.1Qaz,802.1Qbb,802.1p)

Host Interface:
PCIe base specification 2.1 (2.5GT/s or 5GT/s)
Bus width -x1, x2, x4, x8
64-bit address support for systems using more than 4 GB of physical memory

Temp. Range(?):0~55