Features: 1.Stable Transmission: This server adapter features low power consumption and low delay, which ensures stable data transmission. 2.Widely Compatible: This PCIe network card is compatible with various operating system, suitable for Win, for Linux, for FreeBSD, for VMware. 3.Plug and Play: This server network adapter supports PCI E hot swappable and SFPand interface, you can replace the required module at any time. 4.2 SPF Ports: This SFP network card provides 2 10000M SFPand optical ports for SFPand single mode, multi mode optical modules, DAC cables, and AOC active optical cables. 5.Cooling Design: This PCIe server adapter features excellent cooling fin design, ensure that the adapter runs stably in various environments for a long time. specification:Item Type: Server Adapter Material: Printed Circuit Board Processor Chip: for Intel 82599 Chip Bus Type: PCI Express X8, Compatible with X8 and X16 Transmission Rate: 10Gbps Module Configuration: No Module Is Included Network Interface Type: SFPand System Interface Type: PCIe V2.0(5.0GT/S) Baffle Height: Full Height and Half Height Configuration Operating Temperature: 0 to 55(32 to 131) System Support: For, Win, For Linux, For FreeBSD, For VMware Application: Desktop Computer, Workstation, Server PackageList:1 x ServerAdapter