Support for swap/sex/skew correction, detection and auto-correction. Support hardware ECC (Error Correction Code), hardware (Cyclic Redundancy Check) function. Supports PCI (Message Signaled Interrupt) and -X. Supports the ECMA-393 ProxZzzy standard for sleeping hosts. Supports Wake-on-LAN and "RealWow!" technology (remote ). SE-LG8125B-BT PCI Express RTL8125B 2.5G single copper port network adapter, combines a four-speed IEEE802.3 compliant media access controller with a four-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, communications Platform and Embedded Applications. Compliant with PCI Express Specification Revision v2.1; Auto-negotiation with extended next page functionality; Support IEEE1588v1, IEEE1588v2, IEEE80.2AS time synchronization; Support 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 bytes; Support for Virtual Machine Queue (VMQ); Support quad-core receive-side scaling (RSS); System requirements: Linux , Win 7/Win 8/Server 2008/Win 8.1/Server 2012/ Win 10 32/64bit; One available PCI Express x1/x4/x8/x16 slot colour: black Material: PCB Size: 7x5.6CM Package Contents: 1 x PCIe RTL8125B 2.5G single copper port network card 1 x CD-driver 1 x low profile bracket Only the above package content, other products are not included. Note: Light 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.