Features: The AQC107 PCIE 10 Gigabit Networking Adapter will allow users to adapter out a single electrical port 10 Gigabit Networking port on a desktop computer or server, providing 10Gbps fast speed rate transfer speed. The Desktop Server Single Port 10 Gigabit Ethernet Networking Adapter with PCIExpressX4 Channel. Equipped with 10Gbps port, provides 10Gbps fast speed rate transmission speed with higher rate data transfer. Adopt AQC107 chip solution, multiple processor, expanded virtual storage, better compatibility and stability. Adopt large plate heat sink design, can effectively and continuously fsheat dissipation, to avoid overheating caused by unstable data transmission. Supoort PCIeX4 , also for PCIExpress X8, X16 channel. Both large and small chassis can be used. Specifications: Support PCIExpressX4 PCIExpress3.0 channel Bus type PCIeX4 , compatibled x8, x16 Can support 16KB 1Gbps to 10 Gbps, 5Gbps, 2.5Gbps and 100M data rates Commercial temperature: 0 to 108°C Storage temperature: -50 to 150°C Supports five Networking speeds: 10GBASET/5GBASET/2.5GBASET/1000BASET/1OOBASETX. Support Chassis 120mm/4.72in 80mm/3.15in Package Includes: 1PC PCIE3.0X4 to 10Gb Rj45 Ethernet Adapter note: Due to problem of lighting,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurement