Comes with 1 standard bracket and 1 low profile bracketPCIe v1.1 (2.5GT/s)High-performance, auto-negotiating 10/100/1000 connectionAutomatic Crossover Detection and Correction SupportedConnectors: 1 x RJ-45Low Power Consumption : GbE mode <710mW,10/100 mode <300mWIntel 82574L chipsetIntel 82574 Gigabit controller chipset for higher performance and reliabilityFull duplex operation at 10/100/1000 Mb/sIPv4 and IPv6 checksum offload support (receive, transmit, and large send)9 KB jumbo frame support , 40 KB packet buffer sizeInterrupt moderation improve performance while significantly reducing CPU utilizationCompatible slot designed to achieve high performance in the new PCI Express bus architecture and desktop PCI Automatic self-configuring 10/100/1000 Mbps Ethernet compatible with Ethernet, Fast Ethernet and GigabitSupport for most network operating system to achieve widespread deploymentCompliant with the 1 Gb/s IEEE 802.3 802.3uSupport IEEE 1588Support jumbo frames up to 9 KB802.3ab Specifications, IEEE 802.3ab auto negotiation supportRoHS compliantVLAN support compliant with the 802.1Q SpecificationAdvanced Configuration and Power Interface (ACPI) lower power consumption , allows remote wake-up and remote boot Wake on LAN (WoL)Dimensions : 4.70" x 4.73" x 0.8"1 x PCIE LAN card1 x Driver CD1 x Low profile bracket Check out our other items!On May-04-14 at 08:54:14 PDT, seller added the following information: