Kingston HyperX 2GB Kit (2x1GB Modules) 400MHz DDR Desktop Memory (KHX3200AK2/2G) 2GB Kit of 400MHz DDR Desktop Memory Utilizes HyperX module with faster latency timing for higher performance and speed Specifically designed and tested for compatibility in various makes and models of desktop computers From the industry leader in PC memory Low-Latency 184-pin unbuffered DIMM type; Timings: 2-3-2-6-1