Corsair XMS2 DDR2 4GB (2x2GB) PC2-6400 800MHz 240-Pin Dual Channel Desktop Memory Industry Leading Lifetime Warranty Latency of 5-5-5-18 for maximum reliability and performance These modules allow users to experience outstanding memory performance and stability. The XMS brand family is Corsair&#8217;s mainstream line of performance memory Two matched 2GB modules for use with AMD and Intel DDR2 systems