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
8GB KIT (4 x 2GB) for Dell Optiplex 740 745 745c 755 DT/MT/SFF 755. DIMM DDR2 Non-ECC PC2-5300 667MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com