Features: 1.FOR Intel I350 CHIP: for Intel original chip server NIC, I350AM2 dual NIC Gigabit Ethernet card MAC and PHY based on for Intel controller. 2.HARDWARE ACCELERATION: Network adapter is designed with PCIEx4, enabled with packet fault tolerance, integrated hardware acceleration, and can perform TCP UDP IP checksum and TCP segmentation tasks. 3.CPU RELEASE: Host processing technology can partial load accelerator to free up CPU resources for other applications. Gold plated performance heatsink for long server operation. 4.2 RJ45 PORTS: PCI express network card has 2 RJ45 ports (10 100 1000Mbps) Gigabit transmission, both ports are independent of each other and are not affected. 5.PCIE X4 INTERFACE: PCI express network adapter is designed with PCIE X4 slot, which is compatible with most PCIE slots (support X4, X8, X16). 6.EASY TO INSTALL: Ethernet PCI express network card comes with low profile bracket and full height bracket to support standard and slim computers or servers. specification:Item Type: PCI Express Network Card Material: PCB Bus Interface: PCI Express X4 ( Compatible with X4 X8 X16 Graphics Card Interface ) Network Interface: 2 x RJ45 Interface Main Control Chip: for Intel I350 Transmission Rate: 10 100 1000Mbps Applicable Network: Fast Ethernet BOOT ROM: Support for Intel Virtualization Technology: QoS and Traffic Management: YES Port Grouping (Teaming Aggregation): YES Virtual Machine Device Queuing (VMDp): YES PCI SIG SR IOV Support: YES Other Technologies: Supported Jumbo Frames, TSO,VLAN, PXE, WOL for Intel and Ethernet Power Management: YES Smart Offload: YES Ethernet Storage: ISCSI, NFS, SMB Supported Operating Systems: for Windows 7 8 10 Vista XP, for Windows Server 2008 2012 2016 2019, for Linux, for Centos for RHEL 6 7 8, for Debian 9 10 11, for FreeBSD 10 11 12, for Vmware Esxi 5 6 7, for SLSE 11 12, for freeDSB, for VMware ESXL, etc. PackageList:1 x PCIExpressNetworkCard 1 x Baffle 1 x Screw