8GB (2x4GB) DDR2-667 Dell XPS M1530 Laptop/Notebook Memory PC2-5300 Could be Samsung, Kingston, Hynix, Smart, Corsair, Elpida, Micron, or Nanya Warranty: LIFETIME WARRANTY WorldWide Shipping to most countries & USA Capacity: 8gb (2x4gb) - You receive 2 Stick of the 4gb SODIMMS for a total of 8gb