Speed up your laptop with a simple upgrade with the 1 GB Patriot PC2-6400 DDR2 Laptop Memory module. Built for your Laptop The Patriot PC2 Signature Series has been designed to offer you the best performing RAM upgrade available. Built using a specific combination of materials, Patriot ensures every module meets industry standards to deliver a hassle free, simple upgrade. The unbuffered DDR2 memory delivers the enhanced speed & reliability expected of a modern upgrade, while impeccable build quality & materials ensure enhanced performance is a long term proposition. Theres no need to compromise on speed with CAS 6 latency & a 6400 MB/s transfer rate, giving you the quickest available upgrade for your PC at a great price. Lifetime warranty The Patriot PC2 Signature Series comes with reassuring lifetime warranty, making this a true one-time upgrade. Patriot also offer a free customer support service, so any issues you may come across wont be problems for long. For increased speed, multitasking capability & overall performance benefits, the1 GB Patriot PC2-6400 DDR2 Laptop Memory module is an excellent upgrade decision.