Feature:1. This network card is a dualport Gigabit network card, server/pcie 2.0 x1 network card, convenient and practical.2. This server network card has a larger radiator, work more stable, and heat dissipation faster.3. Thicken the gold-plated gold fingers to reduce hardware contact failures and avoid problems such as sudden disconnection.4. For the 82576EB chip controller, high performance and reliability make data transmission faster and reduce network conflicts.5. The network standards are ieee 802.1p, ieee 802.1q, ieee 802.2, ieee 802.3ac, ieee 802.3az, ieee 802.3x, ieee 802.3z, ieee 802.3ad.Specification:Item Type: Gigabit Network CardBus Type: PCI Express 2.1 (2.5 GT/s)1 x Lane PCI Express, available in x1, x4, x8 and x16 slotsCard Type: Standard/low fileChipset ID: For Intel-82576EBStandards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3abInterface: 2 RJ45Rate: 1Gbps-594mW.Requirements: Computer with PCI Express and available PCI Express x1 slot Gen 2.0 or higher (x1, x4, x8, x16)Compatible System: For Windows 7/8.x/ 10/ for Windows Server 2008 R2, 2012, 2016/Linux 2.6.x to 4.xHeight: Approx. 120mm / 4.7inLength: Approx. 100mm / 3.9inWidth: Approx. 22mm / 0.9inLED: 2 Act LED (Green) 2 Link (Green)Package List:1 x Network CardNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.