VisionTek 1 x 1GB PC3200 DDR 400MHz 200-pin DIMM Memory Module - For Notebook - 1 GB (1 x 1GB) - DDR400/PC3200 DDR SDRAM - 400 MHz - CL3 - 2.50 V - Non-ECC - Unbuffered - 200-pin - SoDIMM - Lifetime Warranty

400 MHz of memory speed with Unbuffered signal allows you to browse web, listen to songs and use routine software simultaneously SoDIMM 1 GB of memory to refine your computers performance 200-pin-pin DDR SDRAM operates at up to 400 MHz data bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation