4GB Kit (2 X 2GB) DDR3-1066 (PC3-8500) RAM Memory Upgrade for Apple MacBook Pro 13"/15"/17" Mac Mini Core 2 Duo 2.0/2.26/2.53ghz; MacBook 13in Equivalent to Kta-mb1066k2/4g (Genuine A-tech Brand) at Amazon.com
8GB Kit (4GBx2) Upgrade for a Apple MacBook Pro 2.26GHz Intel Core 2 Duo (13-inch DDR3) MB990LL/A System (DDR3 PC3-8500, NON-ECC, ) at Amazon.com
APPLE MACBOOK PRO INTEL CORE 2 DUO 2.26GHz 8GB RAM 250GB HD W8938FFC66D | eBay