2GB 2x1GB Dell Dimension 9100 RAM Memory DDR2 Could be Samsung, Kingston, Hynix, Smart, Corsair, Elpida, Micron, or Nanya Warranty: LIFETIME WARRANTY WorldWide Shipping to most countries & USA Capacity: 2gb (2x1gb) - You receive 2 Stick of the 1gb LONG DIMMS for a total of 2gb