A1278 Logic Board 2.9GHz i7 661-6589 / 820-3115-B for 2012 Apple MacBook Pro 13
Used OEM 100% Fully Functional Original Apple Logic Board.
Tested Using The Latest Industry Standard Hardware Diagnostic Methods.
Professionally Removed From an Actual A1278 MacBook Pro Unit.
(A1278 Logic Board i7, 661-6589, 820-3115-B)
Onboard CPU – “Ivy Bridge” 2.9 GHz Intel “Core i7” (3520M)
Onboard GPU – Intel HD Graphics 4000 graphics processor
Logic-board + Heatsink x1
APPLE PART #: 661-6589 /
PRINTED PART #: 820-3115-B
EMC NO: 2554
13″ MacBook Pro A1278
MacBookPro9,2 Mid 2012
MD101LL/A (2.5 GHz Core i5)
MD102LL/A (2.9 GHz Core i7)
NOTE: Please verify your MacBook’s Family Model number to ensure that this part is compatible with your device.
The logic board serves as the main circuit board that houses and connects various essential hardware components, including the processor, memory, graphics card, and other peripherals. With a powerful 2.9GHz Intel Core i7 661-6589 processor, this logic board provides excellent performance for demanding tasks and multitasking. The 820-3115-B model number uniquely identifies this logic board variant. It plays a vital role in ensuring the smooth functioning and overall performance of the MacBook Pro, making it an integral part of the device’s architecture.
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