Lifetime 10303-1KIT 1 GB Kit 2X512MB Ram for MacPro Dual Core

Lifetime Mac Pro 1 GB 2x512MB DDR2 6400 (800Mhz) Fully Buffered Ram Kit

Beef up the your Mac with additional RAM from Lifetime Memory Products. This 1GB Kit (2 x 512MB) RAM for Mac Pro lets you run more plug-ins, achieve higher track counts and just plain boost overall performance. 800 MHz.