4GB (1x4GB) DDR2 800MHz PC2-6400 Single Stick 200-pin SODIMM Laptop Memory RAM 2Rx8 at Amazon.com
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
Hynix HYMP125S64CP8-S6 2GB DDR2 SODIMM 200pin PC2-6400 800MHz at Amazon.com
1GB DDR2 SODIMM 200pin PC2-5300 667MHz Samsung at Amazon.com
EMMCRAM 8GB (2 x 4GB) PC2-6400 DDR2-800 200PIN SoDIMM Laptop RAM Non-ECC Unbuffered Notebook Memory for Dell E6400,E6500, Inspiron 1545, M4400,E5500 at Amazon.com
Komputerbay 8 GB (2 x 4GB) PC2-6400 DDR2-800 SoDIMM Dual Channel Laptop Memory Kit at Amazon.com
New! 4GB (2X2GB) DDR2-800 SODIMM Laptop Memory PC2-6400 at Amazon.com
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