Features: 1.Applicable to a variety of places, as you like (office, Internet cafe, monitoring, data server, etc.). 2.For Intel 82599EN master chip. 3.Support multiple systems: for Windows XP/VISTA/7/8/10, etc. 4.Single port 10Gbps SFP network card, high speed network, fully meet your needs. 5.Gold-plated PCI-E interface, stable and durable. specification: 1. Applicable to a variety of places, as you like (office, Internet cafe, monitoring, data server, etc.). 2. For Intel 82599EN master chip. 3. Support multiple systems: for Windows XP/VISTA/7/8/10, etc. 4. Single port 10Gbps SFP network card, high speed network, fully meet your needs. 5. Gold-plated PCI-E interface, stable and durable. : Product Name: E10G41BFSR / X520-SR1 Interface: SFP+ * 1 Bus Type: PCI-E X8 Master chip Chipset: for intel 82599EN Transmission Rate: 10000Mbps Network Type: 10-Gigabit Fiber Ethernet Transmission distance: Dual-mode: 62.5um 220m, 50um 550m. Boot Rom: Support BOOT ROM LEDs Indicators: 4 x led indicators for link/Activity Mode status Work for: Server, Workstation Network Standard: IEEE 802.1p, IEEE 802.1Q, IEEE 802.2, IEEE 802.3ac, IEEE 802.3az, IEEE 802.3x, IEEE 802.3z, IEEE 802.3ad Management PXE remote boot, ISCSI boot, VLAN filtering, FCOE, ROS, ESXI Support system: For Windows XP/VISTA/7/8/10 (32 & 64bit), SCO UnixWare 7.x, Open Unix 8.0, Novell ODI, Novell Netware, SUSE for Linux Enterprise Server 9.0, Red Hat Enterprise for Linux 4.0, for Linux, FreeBSD, Sun Solaris, for Microsoft DOS, VMWare ESX System Requirements: For Windows XP Professional SP3, 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), 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 ESX 4.03 /4.13/ 5.03, Xen4. Product size: about 150*120*20mm/5.91*4.72*0.79in Package List: 1 x Network Card 1 x Driver CD 1 x Low Profile Bracket Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.