Apple Memory Module 8GB 1333MHz DDR3 (PC3-10600) - 2x4GB at Amazon.com
8GB Server Memory, 8GB PC3-10600R DDR3 1333MHZ 2R4 ECC REG 240Pin Computer Memory Components Server Ram Support Dual/Single CPU Motherboard at Amazon .com
16GB Kit 2 x 8GB DDR3 PC3-10600 1333Mhz DESKTOP MEMORY 240 PIN Non-ECC RAM CL 11 at Amazon.com
8GB [2x4GB] DDR3-1333 RAM Memory Upgrade Kit for The Dell Studio 1569 at Amazon.com