PERIPHERAL, STD LP 2-PORT 10G RJ45, INTEL X540 (RETAIL PACK), 2-PORT 10GBE STAND Main Specifications Form Factor : Low-Profile Interface Type : PCI Express 2.1 Networking Port Quantity : Dual RJ45 Connectors / Support Category-6 or 6A Software / System Requirements OS Supports : Linix Kernel version 3.1.x 2.6.X / FreeBSD 8 Windows Server 2008 R2 SP1, 7 SP1, Server 2008 SP2, Vista SP2, Server 2003 R2, 2003 SP2, 2008 SP2 Miscellaneous Cables Required : RJ-45 Category-6 up to 55m, Category-6A up to 100m Feature(s) : Load balancing on multiple CPUs PCI-E x8 2.1 (2.5GT/s or 5GT/s) interface Maximum power consumption: about 13W Compact size low-profile standard form factor Intel QuickData Technology: DMA engine that enhances data Weight 1.50 Item Dimension 6.5 x 5.5 x 2 Warranty Information 1 Year