HP 4GB DDR3 1333MHz DIMM Desktop RAM Upgrade 00329Z
900385 - Visiontek® - SDRAM - 1 x 4gb Pc3-10600 Ddr3 1333Mhz 240-Pin DIMM Memory Module - 4GB PC3-10600 1333MHZ DDR3 LP - 5.2in. L x 1.2in. W - 7.6in. x 1.8in. x 0.3in.
4GB DDR3 1333MHz PC3-10600 240 pin DESKTOP Memory Non ECC 1333 Low Density RAM 635934050106 | eBay
OWC / Other World Computing 48GB (3x 16GB) Matched Pair 1333MHz 240-Pin SDRAM DIMM DDR3 (PC10600) Memory Upgrade Kit for PC Desktops, Mac Pro 'Nehalem - Walmart.com