OWC 4GB PC5300 DDR2 667MHz SO-DIMM Memory RAM Upgrade Compatible with MacBook (Late 2007/Early 2008), MacBook Pro (Mid/Late 2007, Early 2008), & iMac (Late 2007) with Core 2 Duo CPU (OWC5300DDR2S4GB) at Amazon.com
Crucial 4GB Single DDR2 800MHz (PC2-6400) CL6 SODIMM 200-Pin Notebook Memory Module CT51264AC800 at Amazon.com
Pasotim DDR2 4GB 800Mhz Laptop Ram PC2 6400 2RX8 200 Pins SODIMM for AMD Laptop Memory at Amazon.com
Samsung M470T5267AZ3-CF7 Samsung DDR2 4GB/800 SO-DIMM at Amazon.com
Zopsc DDR2 4GB RAM 800MHz Memory Module for AMD CPU Stable Fast Data Transmission 240PIN for High Anti-Interference and Antistatic for Desktop Computer, Plug and Play at Amazon.com
4GB (1x4GB) DDR2 800MHz PC2-6400 Single Stick 200-pin SODIMM Laptop Memory RAM 2Rx8 at Amazon.com