1Adopt SFP+ optical fiber interface and 10 Gigabit network card interface, fast network speed. 2Using for Mellanox chipset, suitable for highend equipment such as servers, desktops, storage, etc. 3This network card is suitable for PCIEX4, X8, X16 interfaces, with strong adaptability. 4Compatible with multiple operating systems for LINUX/Windows and other operating systems. 5This card is made of highquality materials, strong and durable, with good performance. Item Type: Network CardModel: MCX311ARate: 10GBInterface: PCI-EX4Supporting Technology: RoCE Model: MCX311Grid Type: 10 Gigabit EthernetTransmission Speed: 10GMbpsBus Type: SFP+Interface Type: Fiber LCApplicable: Servers, desktops, storage, etc., industrial computers and other equipmentApplicable System: forLINUX/WindowsWorking Temperature: 0-55Working Humidity: 85% 1 x Network Card Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.