Features: Experience fast data transfer with the 82599ES Ethernet X520 DA1 Single/Double Port Adapter, highly performances networking card designed for robust connectivity. Equipped with an 82599ES chipset and PCIe interface, this adapter delivers 10GbE speeds, ensuring rapid networking connections. Suitable for professionals in need of networking, such as server administrators, workstation users, and networking storage experts. The card makes it a perfect fit for data centers, cloud computing environments, and virtualization platforms requiring highly bandwidth networking throughput. Improve your enterprises networking efficiency with this metal and PCB constructed adapter, built to handle massive data transfers and intensive processing demands. Specifications: Material: Metal+PCB Size:Approx.20x8cm/7.87x3.15inch 82599ES Chip Option Type:1pc X520 da1 Single Port Card,1pc X520 da1 Double Port Card, Speed:10/1GbE Interface:PCIE V2.0(5.0 GTS) Support:Window,Linux,FreeBSD,VMware; Package Includes: 1pc Adapter Card note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.