AddOn AM400D2R3SR/2G x1 Dell A0455470 Compatible Factory Original 2GB DDR2-400MHz Registered ECC Single Rank 1.8V 240-pin CL3 RDIMM - 100% compatible and guaranteed to work

400 MHz of memory speed with CL3 latency allows you to browse web, listen to songs and use routine software simultaneously 2 GB of memory to refine your computers performance DDR2-400/PC2-3200 interface synchronizes electrical and clock signals for an efficient data transfer rate