Support full-duplex/half-duplex self-adaptation Support 10G multimode module, 10G single mode module or SFP High-speed transmission and stable performance Made of high-quality materials, it is sturdy and durable and has a long service life. Transmission medium type: support 10G multimode module, 10G single-mode module + direct cable (optical fiber) Chip model: 82599EN Network cable interface type: 1x optical fiber interface Slot interface type: PCIExpress 2.0 (5GT/s) Bus speed and slot width: X8, compatible with for X8, X16. Transfer rate: 10 Gigabit IEEE network standard/network technology: 10GBASE-SR, 10GBASE-LR Applicable network type: 10 Gigabit Ethernet Applicable field: server LED indicator: 2 LED indicators Full-duplex/Half-duplex: full-duplex/half-duplex adaptive Supported Operating Systems: for Windows Server 2012 R2x, Windows Server 2012x, Windows 8x, Windows Server 2008 R2x, Windows 7x, Windows Server 2008x SP2, Windows Vistax SP2, Windows Server 2003 R2x, Windows Server 2003x SP2, Linuxx Stable Kernel version 3.x, 2.6, x, Red Hat Enterprise Linuxx 5, 6, SUSE Linux Enterprise Serverx 10, 11, FreeBSD 9x, VMware ESX/ESXix Material: PCB+aluminum colour: green Package Contents: 1 x network card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.