Amazon.com: OWC 2GB (2 x 1GB) PC5300 DDR2 667MHz SO-DIMMs Memory Compatible with MacBook/MacBook Pro, iMac, and Mac Mini Models (OWC5300DDR2S2GP) : Everything Else
CMS 2GB (1X2GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Acer® Aspire One D255, D255-2256, Aod255-2256 Ddr2 - A38 at Amazon.com
CMS 8GB (2X4GB) DDR2 5300 667MHZ ECC Fully BUFFERED DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Xw8600 Series Ddr2-Pc5300 Fb for Server Only - B54 at Amazon.com
8GB Kit 2 X 4GB DDR2 Server Memory Upgrade for HP Workstation XW8600 SDRAM ECC Fully Buffered FB DIMM PC2-5300 240 pin 667MHz RAM (PARTS-QUICK Brand) at Amazon.com