Motherboard for MacBook Pro 13 A1278 Mid 2012

Product Description

The MacBook Pro A1278 Mid 2012 Motherboard is a replacement logic board designed for the 13-inch MacBook Pro Unibody A1278, also identified as MacBookPro9,2 and EMC 2554. It is suitable for replacing a damaged or faulty motherboard in compatible Mid 2012 systems.

The Mid 2012 A1278 motherboard is available in 2.5GHz Intel Core i5 and 2.9GHz Intel Core i7 configurations. Both versions use integrated Intel HD Graphics 4000, with the CPU and GPU soldered to the logic board.

The main board number is 820-3115-A / 820-3115-B. The 2.5GHz i5 version is commonly identified as 661-6588, while the 2.9GHz i7 version is 661-6589.

Compatible Models

• MacBook Pro 13-inch A1278 Mid 2012
• MacBookPro9,2
• EMC 2554
• MD101LL/A – 2.5GHz Intel Core i5
• MD102LL/A – 2.9GHz Intel Core i7

Compatible Part Numbers

• 820-3115-A
• 820-3115-B
• 661-6588 – 2.5GHz Core i5
• 661-6589 – 2.9GHz Core i7

Product Details

• Product Type: Laptop Motherboard / Logic Board
• Compatible Brand: Apple
• Compatible Model: MacBook Pro 13-inch A1278
• Generation: Mid 2012
• Model Identifier: MacBookPro9,2
• EMC: 2554
• CPU Options: 2.5GHz Core i5 / 2.9GHz Core i7
• GPU: Intel HD Graphics 4000
• Board Number: 820-3115-A / 820-3115-B
• Condition: Replacement Spare Part

Warranty Details

Warranty: 1 Month Warranty
Warranty Service Type: Replacement Warranty
Warranty Type: Seller Warranty

Condition: Refurbished

Important Note:-

• Please verify your exact model number, CPU configuration, EMC number, and motherboard part number before ordering.
• MD101 uses the 2.5GHz Core i5 configuration, while MD102 uses the 2.9GHz Core i7 configuration.
• The CPU and GPU are integrated/soldered onto the motherboard and cannot be upgraded separately.
• 820-3115-A and 820-3115-B are associated with the Mid 2012 A1278 logic board family.
• This product is the motherboard/logic board; RAM, SSD, battery, display, and other components are not included unless specifically stated.
• Some replacement-board listings include the heatsink, while others are board-only. Confirm the exact package contents before ordering.
• Professional motherboard installation is strongly recommended.
• Product images are for reference only. Actual board revision, markings, and condition may vary.
• Warranty does not cover physical damage, liquid damage, incorrect installation, short circuits, soldering damage, or modification.
• If the product is found to be out of stock after ordering, the payment will be refunded.
• Functionality-related problems reported within the warranty period are eligible for replacement according to warranty terms.

FAQs

1. Is this motherboard compatible with MacBook Pro A1278 Mid 2012?

Yes. It is designed for the 13-inch MacBook Pro A1278 Mid 2012 / MacBookPro9,2 / EMC 2554.

2. What is the motherboard part number?

The main board numbers are 820-3115-A and 820-3115-B. Apple part numbers include 661-6588 and 661-6589.

3. Which motherboard is used in MD101?

The MD101LL/A uses the 2.5GHz Intel Core i5-3210M configuration, commonly identified by Apple P/N 661-6588.

4. Which motherboard is used in MD102?

The MD102LL/A uses the 2.9GHz Intel Core i7-3520M configuration, commonly identified by Apple P/N 661-6589.

5. Does the motherboard include the CPU and GPU?

Yes. The CPU and Intel HD Graphics 4000 GPU are integrated on the logic board. They are soldered and are not separately replaceable as upgradeable components.