Intel Core 2 Duo E6400 - HH80557PH0462M / BX80557E6400
4GB [2x2GB] DDR2-800 (PC2-6400) RAM Memory Upgrade Kit for The Apple MacBook 13.3" 2.13GHz Core 2 Duo 5,2 MC240LL/A (Genuine A-Tech Brand) at Amazon.com
Amazon.com: AW80577SH0463M Intel Core 2 Duo P7450 2.13GHz Mobile Processor AW80577SH0463M : Electronics
A000052290 Toshiba Core2 Duo Mobile 2.13 GHz Processor Unboxed OEM