1、Ethernet Specification: Combines a quad speed IEEE802.3 compliant media access controller with a quad speed Ethernet transceiver that complies with the 10Mbps 100Mbps Ethernet IEEE802.3u specification, IEEE802.3ab 1000Mbps Ethernet specification and IEEE802.3bz 2500Mbps Ethernet specification. 2、2.5G Network Port: Integrated 10 100 1000M 2.5G transceiver with support for 2.5G and 1G Lite, 100M mode Provides high speed transmission over CAT5e UTP cable or CAT3 UTP (10Mbps only) cable. 3、Support: Full duplex flowing control (IEEE802.3x), jumbo frames up to 16K bytes, Virtual Machine Queuing (VMQ), quad core receive side scaling (RSS). 4、Cross Detection And Auto Correction: Support for hardware ECC (Error Correction Code), hardware CRC (Cyclic Redundancy Check) functionality, support for PCI MSI (Message Signal Interrupt) and MSI X, support for ECMA 393 ProxZzzy standard for sleeping hosts, support for LAN wake up and " RealWow! " technology (remote wake up). 5、Applicability: It is suitable for multiple market segments and emerging applications such as desktops, workstations, servers, communication platforms and embedded applications. Item Type: PCIE X1 Network Card Product Material: PCB Main Chipset: Realtek RTL8125B Bus Type: PCIe X1 2.5Gbps 5.0Gbps, Revision V2.1 Transmission Medium: 2 x 2.5G RJ45 Ports Transmission Rate: 2.5G 1000 100Mbps Network Mode: Support 2.5G And 1G Lite Mode Network Topology: Support IEEE1588v1, IEEE1588v2, IEEE80.2AS Time Synchronization Support IEEE802.1Qav Credit Based Shaping Algorithm Support IEEE802.1P Layer 2 Priority Coding Support IEEE802.1Q VLAN Tagging Support IEEE802.3az 2010 Support Full Duplex Flowing Control (IEEE802.3x) 1 x Network Card 1 x Short Baffle 1 x CD ROM