Features: Conform to PciExpress Basic Specification 2.0 (5gts) and Backward Compatible with Specification; Power Management Specification; Support 10/100/1000 Automatic Configuration; Support Switching/polarity/skew Correction, Detection and Automatic Correction; Support Wake-up and Remote Wake-up; Support Ndis5, Ndis6 Offload (ipv4, Ipv6, Udp) and Split Tasks, Offload (mass Transport V1 and Mass Transport V2)Support Emac-393 Host Sleep StandardSupport Full Duplex Flow Control (ieee 802.3x) Specifications: Material:Metal Support 9k Byte Super Large Frame Fully Comply with Ieee 802., Ieee 802.3u Standard, Ieee 802.3ab Standard Support Ieee 802.1 Layer 2 Priority Coding (priority Ordering) Support Ieee 802.1q Vlan Tagging (virtual ) Support Ieee 802.3az-2010 Support Power-off/disconnection Power-saving/phy Disable Mode Support Message Signal (and Msi-x) Support Quad Receiver Adjustment Support the Protocol Offload Function Supports Two 1-channel 2.5gbps PciExpress Buses Support Hardware Error Correction Code Function Support Hardware Cyclic Redundancy Check Function Operating System Support Me,98se, 2000,Xp,win7,win8,win10 32-/64-bit Server 2003，2008 and 2012 32-/64-bit 1000mbps Data Transmission Rate High Speed Transmission Through 5utp Cable or 3utp (10mbps Only) Cable. Detection and Automatic Correction, Polarity Correction, Adaptive Equalization Talk Cancellation, Cancellation Timing Recovery, Error Correction and Other Functions, Provide High-speed Transmission and Reception Capability Package Includes: 1x PCIe Gigabit Network Card note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.