Kingston HyperX Genesis 2GB 533MHz DDR2 SODIMM Netbook Memory KHX4200S2LL/2G 2 GB 53 3MHz DDR2 memory for notebook and netbooks Utilizes HyperX module with faster latency timing for higher performance and speed Specifically designed and tested for compatibility in various makes and models of notebook and netbook computers From the industry leader in PC memory Non-ECC Low-Latency 200-pin unbuffered SODIMM type