Product Name: PCIe x1 to Dual-Port Gigabit Server Network Adapter Model: PI76R21 Chip Model: for 82576 Interface Type: PCI-E x1 Network Interface: RJ45 x2 Bus Type: PCIe Express x1; Compatible with x4, x8, x16 Transmission Rate: 10/100/1000Mbps Auto-adaptive Power Consumption: 2.8W Suitable Scenarios: Servers/Workstations/Virtualization/Soft Routers Operating Temperature: 0-55(32F-131F) Storage Temperature: -40-70(-40F-158F) Storage Humidity: 35C, 90% Non-condensing Relative Humidity Dimensions: 131x64mm Weight: Net Weight 74.7g System Support: for , for Linux, for , etc. Color:As Shown Material:ABS Package Contents: 1 * Network card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.