The D-Link DFE-550TX is a manageable 10/100MB Dual Speed Ethernet PCI Network Interface Card with Wake-On-LAN (WOL). The DFE-550TX provides an industry standard interface for a desktop computer to access an Ethernet, Fast Ethernet, or Dual Speed Network. The DFE-550TX is fully compliant with IEEE802.3 10Base-T, IEEE 802.3u 100Base-T specifications as well as IEEE 802.3x Flow Control. General Information ManufacturerD-Link Systems, Inc Manufacturer Part NumberDFE-550TX Manufacturer Website Addresswww.dlink.com Product NameDFE-550TX Managed PCI Network Adapter Product TypeFast Ethernet Card Interfaces/Ports Host InterfacePCI Number of Ports1 Interfaces/Ports1 x RJ-45 Network & Communication Network Technology10/100Base-TX Physical Characteristics Form FactorInternal Dimensions2.01" Height x 4.72" Width