EDGE Tech 4GB DDR2 SDRAM Memory Module - 4GB (2 x 2GB) - 800MHz DDR2-800/PC2-6400 - ECC - DDR2 SDRAM - 240-pin DIMM

Up to 800 MHz speed with Unbuffered signal is enough to run heavy software smoothly while surfing web with dozens of tabs open DIMM 4 GB memory smoothly executes complex apps and games 240-pin-pin DDR2 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