CT25664AA800 COMP 2GB DDR2-800MHZ 1.8V CL5 DR UDIMMAddOn 2GB DDR2 SDRAM Memory Module For Computer 2 GB (1 x 2GB) DDR2 800 PC2 6400 DDR2 SDRAM 800 MHz Dual rank Memory CL5 1. 80 V Non ECC Unbuffered 240 pin DIMM Lifetime Warranty VPN: CT25664AA800 AA SKU: RSC940844 UPC: 821456438298 2 GB of memory to refine your computer's performance 2 GB memory allows you to have more programs open at a time Up to 800 MHz memory speed for remarkable multitasking capability