Features: Single port 2.5G Gigabit Ethernet card RTL8125 chip 1G/2.5G adaptive desktop PCIE slot universal. The RTL8125 chip supports 10/100/1000/2500M speed Self adaptive is a reasonable choice to achieve seamless networking to desktop and improve networking performances The PCLE gigabit networking card not only competes in esports on the battlefields, but can also easily handle high-definition movies, live streaming, online work, and high-speed downloads Widely for PCIE interfaces, universal support for motherboards with PCIEX1 X4 X8 X16 card slot interfaces Specifications: Main control chip: RTL8125 Specification: RJ45 Speed: 2.5Gbps Bus specification: 5Gbps Power supply method: PCIE 20×1 (Compatible ×4/ ×8/ ×16) Driver support: Windows 10/11 Working temperature: 0-60°C External dimensions: approx 120x75x54mm/4.72x2.95x2.12in Package Includes: 1PC 2.5G Wireless Card note: Due to the problems of lighting effectsand shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.