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MotherBoards / CPU

927 genuine Apple parts · 754 in stock

Logic boards, motherboards, CPU boards and system boards for all Mac families.

Genuine Apple Parts

Original OEM motherboards & CPU boards

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All Parts (927)

Page 1 of 47 · 927 results

iMacPre-Owned

Logic Board 4.0GHz Quad Core 4GB i7

Logic Board 4.0GHz Quad Core 4GB i7In Stock

Apple P/N: 661-03173

iMac 27-inch Retina 5K (Late 2015)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$370.99

$895.99Save $525

Qty

iMacPre-Owned

Logic Board 4.0GHz Quad Core 2GB i7

Logic Board 4.0GHz Quad Core 2GB i7In Stock

Apple P/N: 661-03174

iMac 27-inch Retina 5K (Late 2015)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$394.99

$954.99Save $560

Qty

iMacPre-Owned

Logic Board 3.3GHz Quad Core 2GB i5

Logic Board 3.3GHz Quad Core 2GB i5In Stock

Apple P/N: 661-03175

iMac 27-inch Retina 5K (Late 2015)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$298.99

$722.99Save $424

Qty

iMacPre-Owned

Logic Board 2.3GHz DC IRIS 8GB HDD

Logic Board 2.3GHz DC IRIS 8GB HDDIn Stock

Apple P/N: 661-02290

iMac 21.5-inch (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$298.99

$722.99Save $424

Qty

iMacPre-Owned

Logic Board 2.3GHz DC IRIS 8GB SSD

Logic Board 2.3GHz DC IRIS 8GB SSDIn Stock

Apple P/N: 661-02291

iMac 21.5-inch (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$298.99

$722.99Save $424

Qty

iMacPre-Owned

Logic Board 3GHz i5 Radeon Pro 555 2GB HDD

Logic Board 3GHz i5 Radeon Pro 555 2GB HDDIn Stock

Apple P/N: 661-02292

iMac 21.5-inch Retina 4K (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$310.99

$753.99Save $443

Qty

iMacPre-Owned

Logic Board 3GHz i5 Radeon Pro 555 2GB SSD

Logic Board 3GHz i5 Radeon Pro 555 2GB SSDIn Stock

Apple P/N: 661-02294

iMac 21.5-inch Retina 4K (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$310.99

$753.99Save $443

Qty

iMacPre-Owned

Logic Board 3.6GHz i7 Radeon Pro 555 2GB HDD

Logic Board 3.6GHz i7 Radeon Pro 555 2GB HDDIn Stock

Apple P/N: 661-03374

iMac 21.5-inch Retina 4K (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$346.99

$839.99Save $493

Qty

iMacPre-Owned

Logic Board 3.4GHz i5 Radeon Pro 560 4GB SSD

Logic Board 3.4GHz i5 Radeon Pro 560 4GB SSDIn Stock

Apple P/N: 661-03375

iMac 21.5-inch Retina 4K (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$322.99

$781.99Save $459

Qty

iMacPre-Owned

Logic Board 3.6GHz i7 Radeon Pro 555 2GB SSD

Logic Board 3.6GHz i7 Radeon Pro 555 2GB SSDIn Stock

Apple P/N: 661-03376

iMac 21.5-inch Retina 4K (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$358.99

$867.99Save $509

Qty

iMacPre-Owned

Logic Board 3.6GHz i7 Radeon Pro 560 4GB SSD

Logic Board 3.6GHz i7 Radeon Pro 560 4GB SSDIn Stock

Apple P/N: 661-03377

iMac 21.5-inch Retina 4K (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$370.99

$895.99Save $525

Qty

iMacPre-Owned

Logic Board 3.4GHz i5 Radeon Pro 570 4GB

Logic Board 3.4GHz i5 Radeon Pro 570 4GBIn Stock

Apple P/N: 661-03378

iMac 27-inch Retina 5K (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$442.99

$1069.99Save $627

Qty

iMacPre-Owned

Logic Board 3.5GHz i5 Radeon Pro 575 4GB

Logic Board 3.5GHz i5 Radeon Pro 575 4GBIn Stock

Apple P/N: 661-03379

iMac 27-inch Retina 5K (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$466.99

$1128.99Save $662

Qty

iMacPre-Owned

Logic Board 3.8GHz i5 Radeon Pro 580 8GB

Logic Board 3.8GHz i5 Radeon Pro 580 8GBIn Stock

Apple P/N: 661-03382

iMac 27-inch Retina 5K (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$490.99

$1187.99Save $697

Qty

iMacPre-Owned

Logic Board 4.2GHz i7 Radeon Pro 575 4GB

Logic Board 4.2GHz i7 Radeon Pro 575 4GBIn Stock

Apple P/N: 661-03383

iMac 27-inch Retina 5K (Mid 2017)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$514.99

$1245.99Save $731

Qty

iMacPre-Owned

Logic Board, 3.8GHz 8-core i7, Radeon Pro 5700, 1TB, 1GB Ethernet

Logic Board, 3.8GHz 8-core i7, Radeon Pro 5700, 1TB, 1GB Ethernet

In Stock

Apple P/N: 661-16028

iMac 27-inch Retina 5K (Mid 2020)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$453.99

$1097.99Save $644

Qty

iMacPre-Owned

Logic Board, 3.8GHz 8-core i7, Radeon Pro 5700, 1TB, 10GB Ethernet

Logic Board, 3.8GHz 8-core i7, Radeon Pro 5700, 1TB, 10GB EthernetOut of Stock

Apple P/N: 661-16029

iMac 27-inch Retina 5K (Mid 2020)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$1558.99

$3765.99Save $2207

iMacPre-Owned

Logic Board, 3.8GHz 8-core i7, Radeon Pro 5700, 2TB, 1GB Ethernet

Logic Board, 3.8GHz 8-core i7, Radeon Pro 5700, 2TB, 1GB EthernetIn Stock

Apple P/N: 661-16030

iMac 27-inch Retina 5K (Mid 2020)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$453.99

$1097.99Save $644

Qty

iMacPre-Owned

Logic Board, 3.8GHz 8-core i7, Radeon Pro 5700, 2TB, 10GB Ethernet

Logic Board, 3.8GHz 8-core i7, Radeon Pro 5700, 2TB, 10GB EthernetOut of Stock

Apple P/N: 661-16031

iMac 27-inch Retina 5K (Mid 2020)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$1858.99

$4491.99Save $2633

iMacPre-Owned

Logic Board, 3.8GHz 8-core i7, Radeon Pro 5700, 4TB, 1GB Ethernet

Logic Board, 3.8GHz 8-core i7, Radeon Pro 5700, 4TB, 1GB EthernetOut of Stock

Apple P/N: 661-16032

iMac 27-inch Retina 5K (Mid 2020)

Genuine Apple OEM Component
Tested & Inspected

6 Months Warranty

$2218.99

$5359.99Save $3141

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Need help identifying the right part?

Our Apple Certified Technicians can help you find the exact motherboard or CPU board for your Mac. Call us or send a message with your serial number for a quick lookup.

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Logic board replacement compared with board-level repair

The logic board carries the CPU, the memory, the storage controller and on Apple silicon Macs the SSD itself, which is why a board fault can look like anything from no power at all to random shutdowns under load. Many faults are a single failed power rail or a corroded filter rather than a dead processor, so a board-level repair is often possible where a whole board swap would be several times the price.

How can I tell whether my Mac has a logic board fault?

The classic signs are no response at all from the power button, a fan that spins up with no display and no boot chime, a machine that powers on and shuts down after a few seconds, or one that boots only when the charger is connected in one specific orientation. On an iMac, remove the rear housing and look for the LED1 diagnostic light next to the memory slots. If LED1 does not illuminate when the machine is plugged in, the board is not receiving standby power and the fault is on the board or the power supply rather than the display.

Is board-level repair cheaper than replacing the logic board?

Almost always. A component-level repair addresses the specific failed part, most commonly a shorted capacitor on a power rail, a burned inductor, a failed charging IC or a corroded trace from liquid ingress, and it preserves the original board so the machine keeps its own serial number, its Apple silicon SSD contents and its Touch ID pairing. A full board swap on Apple silicon means the soldered SSD goes with the old board, so any data still on it is lost unless it is recovered first.

Can data be recovered from a Mac with a dead logic board?

On Intel Macs with a removable SSD the drive can be pulled and read on another machine in most cases. On Apple silicon and T2 Macs the storage is soldered to the board and encrypted to the Secure Enclave, so the data can only be read after the board is brought back to life or via a Data Migration connection from a working Mac. That is the main reason we attempt a board-level repair first on any machine where the customer wants the data back.

Not sure which part your Mac takes? Send us the serial number and we will confirm the correct Apple part number before you order. Walk-ins are welcome with no appointment, and you can reach us on (813) 444-5595.