Below is the serial number for this laptop indicating that it is a Mac Pro A1278. Order MB990LL/A Model A1278 (EMC 2326 ). MacBook Pro "Core 2 Duo" 2.26 13" (SD/FW) 2.26 GHz Core 2 Duo (P7550 ). You are buying a used device, be aware that it has been checked for initial features, unless otherwise noted.
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