Compliant with PCI Express basic specification 2.0 (5GTs) and backward compatible with specifications 1.1 and 1.0APCI Power Management Specification 1.2Support 10/100/1000 automatic configurationSupport exchange/polarity/skew correction, cross detection and automatic correctionSupport wake-up on LAN and remote wake-upSupport NDIS5, NDIS6 checksum offloading (IPv4, IPv6, TCP, UDP) and segmentation tasks, offloading (mass delivery v1 and bulk delivery v2)Support EMAC-393 ECMA ProxZzzy host sleep standardSupport full duplex flow control (IEEE 802.3X)Support 9K byte jumbo frameFully comply with IEEE 802.3, IEEE 802.3u standards, IEEE 802. standardsSupport IEEE 802.1p layer 2 priority coding (priority sorting)Support IEEE 802.1Q VLAN tag (Virtual Local Area Network)Support IEEE 802.3az -2010 (EEE)Support power-off/drop-off power-saving/PHY disable modeSupport PCI message signal interrupt ( and -X)Support quad-core receiver adjustment (RSS)Support protocol offloading function ( & NS)Supports two 1- 2.5Gbps PCI Express busesSupport hardware error correction code (ECC) functionSupport hardware cyclic redundancy check () functionSupport operating systemfor Windows ME, 98SE, 2000, XP, Vista, WIN7, WIN8, WIN10 32-/64-bitfor Windows Server 2003, 2008 and 2012 32 -/64-bitfor Linux,AYOS, OS ,FREEBSD, DOS, ROS, sea spider, love fastColour:As shownMaterial:Metal + plasticPackage Contents:1 * 4 port Gigabit Ethernet network card 1 * short baffleOnly 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.