(NOT FOR PC)8GB 4x2GB Memory Dell Precision Workstation 490 FB-DIMM (MAJOR BRANDS) Could be Samsung, Kingston, Hynix, Smart, Corsair, Elpida, Micron, or Nanya NOT FOR PERSONAL COMPUTER/MAC'S...FOR SERVERS ONLY!!! Warranty: LIFETIME WARRANTY Will Ship WorldWide from United States 4 of the 2gb ddr2 5300 Fully Buffered