Features 1、TRANSMISSION MEDIA: PCI E X4 network card supports multimode fiber and single mode fiber transmission media types to meet different network connection needs. 2、1000MBPS: PCI E X4 gigabit network card supports 1000Mbps high speed transmission rate to ensure fast and stable network transmission. 3、SLOT INTERFACE: PCI E X4 gigabit ethernet network card comes with PCI Express2.1 (5GT/s) X4 interface and supports PCIeX4, PCIeX8, PCIeX16 slot interfaces. 4、LED INDICATORS: PCI E X4 network adapter has 8 LED indicators for users to check the network connection status and data transfer status. 5、SUPPORT SYSTEM: Network adapter supports multiple operating systems, for Windows XP Professional SP3, for Vista SP2, for Linux Stable Kernel version 2.6, etc. Specification Item Type: PCI E X4 Network Card Material: PCB Product Model: 1350 4SFP Chip Model: for Intel I350AM4 Network Interface Type: 4 x SFP Fiber Interface Transmission Media Type: Support Multimode Fiber, Single Mode Fiber Slot Interface Type: PCI Express 2.1 (5GT/s) Bus Speed and Slot Width: X4, Support X4, X8, X16 Transfer Rate: 1000Mbps IEEE Network Standard/network Technology: 1000BASE SX Applicable Network Type: Gigabit Ethernet Applicable Field: Server LED Indicators: 8 LED Indicators Full Duplex/half Duplex: Full Duplex Only Supported operating systems: for Windows XP Professional SP3, for Vista SP2, for Windows 7 SP1, for Windows Server 2003 SP2 Server 2008 SP2 Server 2008 SP2 Core Server 2008 SP2 (w/Hyper V role) Hyper V Server 2008 SP2 (stand alone version) Server 2008 R2 SP1 Server 2008 R2 SP1 Core Server 2008 R2 SP1 (w/Hyper V role) Hyper V Server 2008 R2 SP1 (stand alone version), for Linux Stable Kernel version 2.6, for Linux RHEL 5.5, for Linux RHEL 6.0, for Linux RHEL 6.0, for Linux RHEL 6.0, for Linux RHEL 6.0, for Linux RHEL 6.0. for Linux RHEL 6.0, for Linux SLES 10 SP3, for Linux SLES 11 SP1 for FreeBSD 8.0. for DOS NDIS 2, for DOS ODI, for EFI 1.1, for uEFI 2.1, for VMware ESX 4.03/ 4.13/5.03, for Xen4. Package List 1 x Network Card 1 x Short Baffle 1 x Driver CD