Features: brand new and high quality The Gigabit Ethernet network adapter card supports high performance networking. Maximum data transfer speeds of 1000Mbps in each direction. Up to ten times faster than 10/100 Ethernet. Network adapter card fits any PCI for Express x1, x2, x4, x8 or x16 socket. You can add a 10/100/1000Mbps Ethernet port to any PC through a PCIE slot. PCI-E Gigabit Ethernet Network Controller Card Chipset is high performance RTL8111C Supports a broad range of operating systems, including for Windows 10/8. 1/7/Vista/XP/2003/2000 Package Includes: 1PC x PCI-E Gigabite Network card Specifications: Speed: 1Gbps Data Transfer Rate:10/100/1000 Mbps Chipset:Realtek RTL8111C External Ports:1x RJ-45 Ethernet Port Host Interface:PCI for Express (PCI-E) Size: Pls see the Pictures Applicable Network Type: Ethernet Port Type PCI Supports for Windows XP/for Vista/7/8/2003/2000/ for Linux note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement.