Features: This network card is only suitable for MINI PCIE expansion slots. Please confirm your motherboard has this expansion slot before purchasing! This Gigabit network card utilizes a half-height MINI PCIExpress slot, expanding to a 10/100/1000 Base Gigabit Ethernet interface. It offers a transmission speed of up to Gigabit and a range of up to 100 meters. It is fully backward compatible with 10/100 Mbps systems and can be used on any existing network. System Requirements: Supports operating systems like Windows 10, Windows 8, Windows 7, Server 2003-2008 (32/64-bit), and 2000. Specifications: Item: MINI PCIExpress Gigabit Network Card Chipset supports existing CAT5 network cable cards. General Parameters: PCIExpress Specification RSV1.1, PCIExpress 1x. Bus Bandwidth: Up to 2.5 Gbps for PCIE. Note: Please understand there might be slight variations due to lighting effects and shooting angles. Allow for 0-1 cm error due to manual measurement. Package includes: 1PC MINI PCIExpress Gigabit Network Card