SE-LG8125B-4BT PCI Express RTL8125B 2.5G Port Network Adapter, Combining Speed IEEE802.3 Compliant Media Access Controller with Speed Ethernet Transceiver, Compliant with 10/100Mbps Ethernet IEEE802.3u Specification, IEEE802. 1000Mbps Ethernet specification and IEEE802.3bz 2500Mbps Ethernet specification.It also provides high-speed transmission over CAT5e UTP cable or CAT3 UTP (10Mbps only) cable. It is suitable for multiple market segments and emerging applications such as desktops, workstations, servers, communication platforms and embedded applications.Compliant with PCI Express Specification Revision v2.1Auto-negotiation with extended page functionalitySupport IEEE1588v1, IEEE1588v2, IEEE80.2AS time synchronizationSupport shaping algorithm based on IEEE802.1Qav credit; Support IEEE802.1P layer 2 priority encoding; Support IEEE802.1Q VLAN tagging; Support IEEE802.3az-2010; Support IEEE802.3bz-2016 (NGBASET)Support full-duplex flow control (IEEE802.3x)Supports jumbo frames up to 16K bytesSupport for Virtual Machine Queue (VMQ)Support -core receive-side scaling (RSS)System Requirements: Linux , Win 7/Win 8/Server 2008/Win 8.1/Server 2012/ Win 10 32/64bitOne available PCI Express x1/x4/x8/x16 slotcolour: greenMaterial: PCBSize: 108 x 69mmPackage Contents:3 x PCIe RTL8125B four-port 2.5G network card3 x CD-driverOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.