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
4GB 2x 2GB DDR2 667MHz PC2-5300 DESKTOP Memory RAM Non ECC 667 Low Density SDRAM | eBay