Feature:1. Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.1q, 802.1p. Based on for Intel 82576 chip, improve server stability.2. Data Transfer Rate: Gigabit 10/100/1000Mbps. Bus: PCI Express (PCIe x1). LED: ACT/Link.3. Features: Support VLAN aggregation, ESXI, diskless boot (PXE), soft routing, etc.4. With Stand: In addition to the standard stand included on the product, an additional low thin stand is included for easy mounting on a small computer or server.5. Supported Operating Systems: For Microsoft for Windows (Win Xp to for Windows 10, 32 and 64 bit), SCO UnixWare 7.x, Open Unix 8.0, Novell ODI, Novell Netware, for SUSE Linux Enterprise Server 9.0, for Red Hat Enterprise Linux 4.0 , for Linux, FreeBSD, Sun Solaris, VMWare ESX.Specification:Item Type: Network CardProduct Material: PCBTransmission Rate: 10/100/1000 MbpsBus Type: PCI-E x1Interface: RJ45 x 2Main Chip: for Intel 82576Transmission Distance: 10Base/100Base-TX/1000Base-T Category5EBoot Rom: SupportFull Duplex/Half Duplex: Full Duplex/Half Duplex AdaptiveLed Indicator: 4 Indicators, Link/ACT IndicatorApplicable Areas: Desktops, Workstations, ServersNetwork Standards: IEEE 802.1P, IEEE 802.1Q, IEEE 802.2, IEEE 802.ac, IEEE 802.az, IEEE 802.3x, IEEE 802.3ad.Package List:1 x Network Card1 x Thin Bracket Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.