Memory America has dozens of 200-pin DDR2 small outline dual inline memory module (SODIMM) chips to upgrade everything from a laptop to a server. These modules add from 256MB to 8GB of RAM to your computer or server. Be sure to see the individual specifications of these 200-pin chips for power use and other details. Several of these modules are made specifically to fit laptop computers from HP, Dell, Acer and other manufacturers, so you know they will work in the tight confines of your laptop and improve your computer's performance with additional RAM. If you're not sure if a module is right for your system, use the Memory America configurator for a list of guaranteed compatible modules. You can order online from Memory America any time and in most cases we ship the same business day. In addition to memory upgrades, Memory America also sells hard drives, batteries, cables and many other computer accessories.