Logic Board





  • These logic boards are only compatible with the iMac 27" A2115 with 2019 release and Retina 5K LCD display assembly.
  • All of the options drop-in replacements for one another.

What's Included

  • Depends on option selected.

Identifying Numbers

  • APN : 661-12459, 661-12463

    Apple Part Numbers

    • Created for internal Apple use.
    • Never visible on the item.
  • PPN : 820-01236-06, 820-01236-A

    Printed Part Numbers

    • Created by manufacturers during production.
    • Always visible on the item.

Tech Specs

  • Onboard CPU: 3.0GHz 6-core Intel Core i5-8500, 3.1GHz 6-core Core i5-8600, 3.7GHz 6-core Core i5-9600K, or 3.6GHz 8-core Core i9-9900K
  • Onboard GPU: AMD Radeon Pro 570X (4GB), Radeon Pro 575X (4GB), Radeon Pro 580X (8GB), or Radeon Pro Vega 48 (8GB)
  • RAM Slots: Four (4)
  • Ethernet: 10/100/1000BASE-T (RJ-45)
  • USB: 4 - USB 3.0
  • Thunderbolt: 2 - Thunderbolt 3
  • Expansion Slots: SDXC SD Card



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Not Compatible




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iMac 27" A2115
  • iMac19,1 Retina 5K 2019: MRQY2LL/A (3.0 GHz Core i5)
  • iMac19,1 Retina 5K 2019: MRR02LL/A (3.1 GHz Core i5)
  • iMac19,1 Retina 5K 2019: MRR12LL/A (3.7 GHz Core i5)
  • iMac19,1 Retina 5K 2019: BTO (3.6 GHz Core i9)