Are you looking for a performance upgrade for your Laptop or Notebook? Are you looking to increase speed and need to ensure a stable system?Corsair now offers specialty DDR3 Laptop Memory! These modules are designed to have all the latest memory module technology available: the highest performing ICs giving you a faster laptop while remaining stable and reliable!Ask The RAM GuyCorsair created a 24/7 online customer support site just for you at www.asktheramguy.com. Here, you can find other people like yourself that are “In the know” and can help answer questions you may have about installation or anything RAM related!More importantly, Corsair stands behind every module with a Lifetime Warranty. We realize any manufacturer can put a product in a box and hope that it will work, however, at Corsair we guarantee it will work for a lifetime!Maximize your DDR3 notebook potential with 4GB of DDR3 Corsair Memory!