Gigabit port network card, PCI slot, fast cooling, high speed and stability.Using the chip 82571 controller, the speed is faster and more stable.Low- circuit board, the current is faster and more stable.Gold-plated PCI gold make contact more reliable, reducing hardware contact errors and problems such as sudden disconnects.Fully shielded 2 RJ45 ports, reducing loss, faster transmission, with heavy-duty anti-deformation baffle.Specifications: Bus Type: pci 1.0 (2 gt/s)Bus width: x1 pci , runs in x1, x4, x8 and x16 slotsChipset: -82571Interface: 2x RJ45 consumption: 10gbps-3wTransmission rate: 10/100/1000Mbpspci computer that supports pci : x1 gen slot 1.0 or higher (x4, x8, x16)Software OS Compatibility: for Windows 7, 8. x, 10, 11, windows server, 2008 , 2012, 2016, 2019, linux 2.6.x to 5.xsize:12x8.2x6.4cmMaterial:PCBcolour:greenPackage Contents:1 * 82571 Expansion CardOnly 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.