Product Codes:I210-1SFP Chipset: for Intel I210AS Controller Connectors: Fiber Cabling Type: MMF 50um up to 550m; MMF 62.5um up to 275m;SMF up to 10km Bus Type: PCI Express 2.1 (2.5G/s) Bus Speed (MHz),Width: 1-lane PCI Express, operable in x1 ,x4, x8 and x16 slots. Data Rate(s) Supported per Port: 1000-Mbps Applicable network type: Gigabit Ethernet Applicable fields: Server LEDs:2 (1/port, link and speed) solid and blinking Full-height and low-profile, screw-on bracketsincluded with each adapter Systems: for Windows 7 SP1, Windows Server2008 SP2, Windows Server2008 SP2 Core, Windows Server 2008 SP2 (w/ Hyper-V role)X64, Hyper-V Server 2008 SP2 (stand-alone version)X64, Windows Server 2008 R2 SP1-X64, Windows Server 2008 R2 SP1 Core-X64, Windows Server 2008 R2 SP1 (w/ Hyper-V role)-X64, Hyper-V Server 2008 R2 SP1 (stand-alone version)-X64, WinPE 2.1 (2008 PE), WinPE 3.0 (2008R2 PE), Windows CE 7/WEC7 (based on NDIS6.x)-IA32, Windows Embedded Standard 7, Linux Stable Kernelversion 2.6/3.x,Linux RHEL 5.8, Linux RHEL 6.2, Linux SLES 10 SP4, Linux SLES 11 SP2, FreeBSD 9, DOS NDIS, UEFI 2.1-X64, UEFI 2.3-X64, VMware ESXi 5.0-X64,VMware ESX M/N.next3 (GATBD)-X64 The circuit board printing is slightly different, which does not affect the use. Colour:Green Material:PC Package Contents: 1 * Network card I210-1SFP