Features: This Networking card is only suitable for the MINI PCIE expansion slot. Please confirm that your mainboard has this expansion slot before purchasing! This gigabit Networking card adopts a half height MINI PCIExpress slot, which expands to 10/100/1000 Base Gigabit Ethernet interfaces. The transmission rate can reach gigabits and the distance can reach up to 100meters. It is fully backward compatible10/100Mbps system. Can be used on any existing networking. System requirement: Supports operating system such as window10, window8, and window7 Sewver2003-2008 32/64-bit/2000 Specifications: Item: MINI PCIExpress Gigabit Networking Card The chip supports existing CAT5 networking Cable card General parameters PCIExpress specification RSV1.1 PCIExpress 1x Bus bandwidth up to 2.5Gbps for PCIE Package Includes: 1PC MINI PCIExpress Gigabit Networking Card note: Due to the problemsof lighting effects and shootingangles, there will be tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.