PCIe x1 to dual-port gigabit network adapter, for Intel 82576 chipset. Dedicated for servers/workstations/soft routers. Full-duplex/16 queues/virtualization support/VMDq technology. Four uses in one card: Diskless boot, ESXi virtualization, server expansion, workstation support. Compatible with all operating systems including for Windows, for Linux, and for VMware! Low Latency + High Throughput Product Name: PCIex1 to Dual-Port Gigabit Server Network Adapter Model: PI76R22 Chip Model: for Intel 82576 Interface Type: PCI-Ex1 Network Interface: RJ45X2 Bus Type: PCI Express x1; compatible with x4, x8, x16 Transmission Rate: 10/100/1000Mbps adaptive Power Consumption: 2.8W Suitable Scenarios: Servers/Workstations/Virtualization/Soft Routers Operating Temperature: O°C ~55°C (32°F~131°F) Storage Temperature: -40°C~70°C (-40°F~158°F) Storage Humidity: 35°C 90% non-condensing relative humidity Dimensions: 105x64mm Weight: 70g (net) System Support: for Windows, for Linux, for VMware, etc. Color: As Shown Material: ABS Package Contents: 1 * Network card