EDGE Tech 4GB DDR3 SDRAM Memory Module - 4GB (2 x 2GB) - 1066MHz DDR3-1066/PC3-8500 - Non-ECC - DDR3 SDRAM - 240-pin DIMM

1066 MHz of memory speed makes your computer perform like an athlete DIMM 4 GB of memory to refine your computers performance DDR3 SDRAM operates at an effective bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation