You can always count on Kingston ValueRAM for reliabile performance. So if your notebook computer is lagging on speed, just install an extra 1 GB of this KVR667D2K2SO/2GR DDR2 RAM to give it a power boost. This PC2-5300 rated memory module features a 667 MHz speed and a CAS Latency of 5. It will easily install into your notebook's 200-pin SODIMM slot. Order this Kingston ValueRAM KVR667D2K2SO/2GR 1 GB DDR2 RAM today!Please note: The P/N on this RAM is for a retail kit that comes with two 1 GB SODIMMs. However, this package only comes with a single 1 GB stick.