PCIe Network Card 5GT/s PCI Express 2.1 LED Indicator Self Adaptive Gigabit Ethernet Card for Win System Server Item Type: PCIe Network Card Material: Printed Circuit Board Chip Model: I350AM2 Network Cable Port Type: 2 x RJ45 Port Transmission Media Type: 3/4/5CAT UTP Socket Interface Type: PCI Express2.1(5GT/S) Bus Speed And Slot Width: X4, Support X4,X8,X16 Transmission Rate: 10/100/1000Mbps IEEE Network Standard / Network Technology: 10BASE T, 100BASE TX, 1000BASE T Applicable Network Type: Gigabit Ethernet Applicable Field: Server Led Indicator: 4 LED Indicators Full Duplex/Half Duplex: Full Duplex/Half Duplex Self Adaptive Supported Operating System: Suitable for Win XP Professional SP3, for Vista SP2, for Win 7 SP1, for Win 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, inux SLES 10 SP3, for Linux SLES 11 SP1, FreeBSD 8.0, DOS NDIS 2, DOS ODI, EFI 1.1,uEFI 2.1, VMware ESX4.03/4.13/5.03,Xen4.