Features: Experience fast internet speeds with our RTL8125B Mini PCIE Server Network Card, perfect for high-speed data transmission and seamlessconnectivity. Our network card boasts transfer rate of 10/100/1000M making it an excellent choice for those in need of reliable and speedynetwork connections. Supports 2.5Gbps PCIExpress bus and automatically adapts to the existing Ethernet internet. Our network card provides the speed and stability you need to keep your business running smoothly. Supported protocols: IEEE802.3, lEEE802.3u, IEEE802.3ab. IEEE802.3az, IEEE802.3bz Specifications: Product Name: PCIE to 2.5Gbps Network Card Number of interfaces: single port 2.5Gbps Applicable slot: MINI PCIE slot Transmission rate: 10/100/1000M/2.5Gbps data rate automatic detection Storage temperature: -20℃ -65°C Humidity 85% Size：approx 50x30mm/1.97x1.18in Supported protocols: IEEE802.3, lEEE802.3u, IEEE802.3ab. IEEE802.3az, IEEE802.3bz Package Includes: 1PC RTL8125B Minipcie NetworkCard note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.