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, detection and automatic correctionSupport on LAN and remote Support 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 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 -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 for 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.