-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:-10℃ to 85℃ Boot 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±8% / +3.3V±9% SYSTEM SUPPORT: Server 2003 / 2008 /2008 R2 / 2012 /2012 R2 /2016 R2, XP / Vista / 7 / 8 / 8.1 / 10,Linux Stable version 2.4.x / 2.6.x / 3.x / 4.x or later,Linux SLES 10 / 11 or later Colour:Green Material:PCB Package Contents: 1x Network Card 1x CD Driver 1x Low profile bracket 1x English manual 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.