CMS 2GB (1X2GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® G Notebook G50 Series Ddr2-Pc5300, Pc2-667Mhz - A38 at Amazon.com
Riverbed RB420-00017-01 6GB (3 x 2GB) PC5300 ECC REG 2048MB RAM Lot of 3 | eBay
Amazon.com: OWC 2GB PC5300 DDR2 667MHz SO-DIMM Memory Compatible with MacBook, MacBook Pro, iMac, and Mac Mini Models with Core 2 Duo Processor (OWC5300DDR2S2GB) : Everything Else