Features: 1.NIC Controller: This PCIe network card adopts chipset based on for Realtek RTL8111H, supports Single Root I/O virtualization to improve server stability. 2.RJ45 NIC: This gigabit ethernet card adopt RJ45 port (10/100/1000Mbps) which connects to Cat5 UTP or Cat3 UTP. PCIe x1 Lane, compatible with PCIE X4, X8, and X16 slots. 3.Widely Compatible: This PCIe ethernet card is suitable for Win ME, 98SE, 2000, Win XP, for Vista, for Win 7, for Win 8, for Win 10 32?/64?bit, for Win Server 2003, 2008 and 2012 32 ?/64?bit, for Linux, for AYOS, for OS X, for FREEBSD, for DOS, for ROS. 4.Wake on Lan: This PCIe network adapter supports wake on lan and remote wake up, 5.Flow Control: This PCIe NIC network card supports full duplex flow control (IEEE 802.3X). completely in conformity with IEEE 802.3, IEEE 802.3U standard, IEEE 802.3AB standard. specification:Item Type: PCIe Network Card Material: Printed Circuit Board Main Control Chip: RTL8111H Bus Interface: Desktop PCI E X1 Slot, Compatible with X4 X8 X16 Network Port: 4 x Ethernet Port Transmission Rate: 10/100/1000 Mbps Downward Compatible: Conforms to PCI Express Base 2.0 (5GTs) and is Backward Compatible with s 1.1 and 1.0A Power Management: PCI Power Management 1.2 Automatic Configuration: Supports 10/100/1000 Automatic Configuration Auto Correction: Support Cross Detection and Automatic Correction Wake On LAN: Supports Wake on LAN and Remote Wake Up NDIS5 and NDIS6: Support for NDIS5, NDIS6 Checksum and Unload (IPv4, IPv6, TCP, UDP) and Split Tasks, Unload (Bulk Transfer V1 and Bulk Transfer V2) Host Sleep: EMAC 393 ECMA ProxZzzy Host Sleep Standard is Supported Flow Control: Support Full Duplex Flow Control (IEEE 802.3X) Large Frames: Supports 9K Bytes Super Large Frames IEEE8.2: Fully Compliant with IEEE 802.3, IEEE 802.3u and IEEE 802.3ab Standards Priority Coding: Support for IEEE 802.1p Layer 2 Priority Coding (Priority Sorting) VLAN: Support for IEEE 802.1q VLAN Tags (VLAN) EEE: Support for IEEE 802.3az to 2010 (EEE) Power Saving: Support Power Off/Power Saving/PHY Disable Mode Signal Interrupt: Support for PCI Message Signal Interrupts (MSI and MSI X) 4 Core: Support for 4 Core Receiver Adjustment (RSS) ARP and NS: Support Protocol Uninstallation (ARP and NS) 2.5Gbps: Supports Two 1 Channel 2.5Gbps PCI Express Buses ECC: Supports the Hardware Error Correction Coding (ECC) Function CRC: Supports Hardware Cyclic Redundancy Check (CRC) PackageList:1 x PCIe Network Card 1 x Baffle