Apple iMac 27" A1419 Late 2013 Logic Board GT 755M i5-4570 3.2GHz OEM Part

This listing is for a Genuine OEM Apple Logic Board for the 27-inch iMac A1419 (Late 2013).
Configuration includes:

• Intel Core i5-4570 Quad-Core Processor (3.2GHz, Turbo up to 3.6GHz)

• NVIDIA GeForce GT 755M graphics

• Apple logic board part 820-3478-A

This board has been fully tested, including GPU display output, USB ports, audio, Ethernet, RAM slot integrity, and macOS boot diagnostics.
Ideal replacement part for restoring a 2013 27-inch iMac to full working order.

⚙️ Specifications:

• Model: iMac 27" A1419 (Late 2013)

• EMC: 2639

• Apple Identifier: iMac14,2

• Logic Board Part: 820-3478-A

• CPU: Intel Core i5-4570

  • 3.2GHz base frequency

  • Turbo Boost up to 3.6GHz

  • Quad-core

• GPU: NVIDIA GeForce GT 755M

• Memory Support: 4 × DDR3 1600MHz slots (up to 32GB)

• Storage Support:

  • Blade-style PCIe SSD

  • 2.5" SATA HDD/SSD (Fusion Drive compatible)

• Condition: Used – Fully tested

✴️ Compatibility & Additional Information:

Compatible with:

• iMac 27-inch A1419 – Late 2013 (EMC 2639)

Testing Performed:

• macOS boot test

• External display GPU output

• USB/Audio/Ethernet functionality

• RAM slot testing

• Wi-Fi/Bluetooth connectivity

This is a direct replacement for any 2013 iMac A1419 board variant using the GT 755M GPU.

⚠️ Notes:

• Logic board & heatsink only. RAM, SSD, and fan assembly not included unless shown.

• Professional installation recommended.

• Ensure your model is Late 2013 A1419 before purchasing.