4GB DDR2 Ram Memory+Cooling Vest 800MHz PC2-6400S 240 Pin 1.8V DIMM for AMD Desktop PC Ram - Walmart.com
Global Memory 8GB (2 x 4GB) DDR3 800/1066/1333/1600/1866MHz 240-PIN ECC DIMM (UDIMM) Memory Ram Kit for Servers/Workstations/Motherboards at Amazon.com