This is a genuine 4GB 204-pin DDR3 Memory Module for laptop computers. Most computers can take higher capacity RAM modules than they originally shipped with. Upgrading the memory is one of the quickest and easiest ways to improve your computers performance. This memory module is very easy to install. There is no better place to buy Memory than here at Discount Electronics. This Memory is guaranteed to work with your lap. We have many speeds of ram to select from.