Apple iMac 27" Mid 2017 A1419 Logic Board Radeon Pro 580 8GB NO CPU 820-00609-A

This listing is for a Genuine OEM Apple iMac 27-inch (Mid 2017) Logic Board, Apple model A1419, logic board part number 820-00609-A.

The board includes a dedicated AMD Radeon Pro 580 GPU with 8GB of VRAM, designed for the 5K Retina iMac. Please note: the Intel CPU is NOT included in this listing. A compatible LGA1151 Intel processor must be installed by the buyer.

This logic board has been professionally tested to confirm power delivery, GPU functionality, and port integrity. It is ideal for advanced repairs, CPU upgrades, or donor-board use where a replacement CPU will be installed separately.

⚙️ Specifications:

• Brand: Apple

• Model: iMac A1419

• Display Type: 27-inch Retina 5K

• Release Year: Mid 2017

• Logic Board Part Number: 820-00609-A

• Graphics: AMD Radeon Pro 580

• Video Memory: 8GB GDDR5

• CPU Socket: LGA1151 (CPU NOT INCLUDED)

• Memory Support: DDR4 2400MHz

• Storage Interface: SATA / PCIe NVMe (model dependent)

• Operating System Support: macOS compatible with Mid 2017 iMacs

• Condition: Used – Fully Tested (NO CPU)

✴️ Exact Compatibility (Verified – Logic Board Must Match):

🧩 Compatible ONLY with:

• iMac 27-inch Retina 5K – Mid 2017

  • Apple Model: A1419

  • EMC: 3070

  • Model Identifier: iMac18,3

  • Logic Board: 820-00609-A

🛑 NOT Compatible With:

• iMac 27-inch Late 2015 or Late 2014

• iMac 27-inch 2019 or newer

• Any iMac using logic boards 820-00291-A, 820-00292-A, or other revisions

• iMac 21.5-inch models

⚠️ Important Installation Notes (PLEASE READ):

• CPU & Heatsink NOT INCLUDED – buyer must install a compatible LGA1151 Intel CPU.

• GPU is soldered and included (Radeon Pro 580 8GB).

• RAM, SSD/HDD, heatsinks, fans, and accessories are NOT included unless shown.

• Logic board number 820-00609-A must match exactly.

• Professional installation is strongly recommended due to complexity.