Fangrui Product Details Halogen-free Dual- Or Quad-port Gigabit Ethernet Adapters With Copper Or Fiber Interface Options Innovative Power Management Features Including Energy Efficient Ethernet (eee) And Dma Coalescingfor Increased Efficiency And Reduced Power Consumption Flexible I/o Virtualization For Port Partitioning And Quality Of Service () Of Up To 32 Virtual Ports Scalable Iscsi Performance Delivering Cost-effective San Connectivity High-performing Bridgeless Design Supporting Pci Expressx Gen 2.1 5gt/s Controller Nh82580eb Transmission Rate Per Port :10/100/1000 Mbps Network Standard Physical Layer Interfaces:10base-t Cat3/4/5/5e/6:100m Most ;100base-tx Cat5/5e/6:100m Most;1000base-t Cat5e/6:100m Most Jumbo Frame Support:up To 9.5 Kb Operating Temperature:-10to 85boot Option And Virtualization:pxe Support, Vt-c Led Indicators:1000mbps: Yellow And Green Blinking,100mbps: Green And Green Blinking,10mbps: Not Illuminate Power Supply:pci Express +12v / +3.3v System Support: Server 2003 / 2008 /2008 R2 / 2012