CMS 6GB (1X4GB) & (1X2GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core 2 Duo 2.4 20-Inch Early 2008 - B117 at Amazon.com
Dell Precision T7400 TWR/Xeon E5405 2.00 GHz/6GB DDR2/2TB HDD/DVD-RW/WINDOWS 7 PRO 64 BIT Used with FREE 3 Year Warranty provided by CPS. - Walmart.com