Transcend TS256MSK64V1N 2GB DDR3 SDRAM Memory Module - For Notebook - 2 GB (1 x 2GB) - DDR3-1066/PC3-8500 DDR3 SDRAM - 1066 MHz - Non-ECC - Unbuffered - 204-pin - SoDIMM

1066 MHz of memory speed makes your computer great at multitasking SoDIMM 2 GB memory allows you to have more programs open at a time 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