PCI Express 2.0 2.5 GT/s x4 Lane. Compatible with x4, x8, x16 standard and low-profile PCI Express slots. Supports Windows 7/8/2000/XP/Vista/Windows Server 2003/2008/2012; Novell Netware 5. x/6. x; Linux; FreeBSD 7. x or later; DOS; SCO Open Server; UnixWare / OpenUnix 8; Sun Solaris x86; OS Independent Vmware ESX (Does not support VMware ESXi 7.0 or above) Compatible with IPMI pass-through (SMBus or NC-SI), iSCSI boot, WoL, PXE remote boot, VLAN filtering, SR-IOV Support Network Management Protocol (SNMP) and Remote Network Monitoring (RMON).

Imported alloy heat sink, can effectively remove excess heat, keep the network card at normal operating temperature and double stable operatio