For original Kingston PC Memory RAM 2GB PC2 DDR2 4GB DDR3 8GB 667MHZ 800MHZ 1333MHZ 1600MHZ 8GB Memoria Module Computer Desktop|RAMs| - AliExpress
OFFTEK 2GB Replacement Memory RAM Upgrade for Dell OptiPlex 760 (Desktop Mini-Tower and Small Form Factor) (DDR2-6400 - Non-ECC) Desktop Memory at Amazon.com
Ciglow DDR2 RAM Module, 4GB 800MHz 240 Pin DDR2 Memory Module Fast Data Transmission RAM DDR2 Module Desktop Memory RAM Module for AMD System. at Amazon.com