Patriot Memory DDR2 2GB PC2-6400 (800MHz) DIMM - For Desktop PC - 2 GB (1 x 2GB) - DDR2-800/PC2-6400 DDR2 SDRAM - 800 MHz - CL6 - 1.80 V - Non-ECC - Unbuffered - 240-pin - DIMM

800 MHz of memory speed with Unbuffered signal makes your computer great at multitasking 2 GB memory smoothly executes complex apps and games DDR2-800/PC2-6400 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