Corsair XMS2 4GB (2x2GB) DDR2 800 MHz (PC2 6400) Desktop Memory<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Memory Size: 2 x 2048MB</li><li>Memory Speed: 800MHz PC6400</li><li>Memory Type: Dual Channel DDR2</li><li>Memory CAS Latency: 5-5-5-18</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51fqDBQVp%2BL.jpg" noproxy>