iMac 27" A1419 2012 Logic Board i5 2.9GHz 128GB SSD 661-7156– Tested OEM

This listing is for a Genuine Apple Logic Board for the 27” iMac A1419 (Late 2012), equipped with:

• Intel Core i5 Quad-Core 2.9GHz (Turbo up to 3.6GHz)

• NVIDIA GeForce GTX 660M with 512MB GDDR5 VRAM

• 128GB Apple proprietary SSD (removable blade drive)

This logic board supports Fusion Drive setups and is fully compatible with additional 2.5" SATA drives.
Ideal for repairing or upgrading your Late 2012 27” iMac.

⚙️ Specifications:

• Model: iMac 27" A1419 (Late 2012)

• Apple Part Number: 661-7156

• CPU: Intel Core i5-3470

  • 2.9GHz base clock

  • Turbo Boost up to 3.6GHz

  • Quad-core

• GPU: NVIDIA GeForce GTX 660M

  • 512MB GDDR5

• Included Storage:

  • 128GB Apple SSD (removable blade-style)

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

• Storage Support:

  • 1 × Apple blade SSD (included)

  • 1 × 2.5" SATA drive (not included)

• Condition: Used – Fully tested and working

✴️ Compatibility & Additional Information:

Compatible with:

• iMac 27-inch A1419 – Late 2012 (EMC 2546)

Testing Includes:

• Boot + macOS operation

• GPU external display output

• SSD SMART test + speed check

• All ports verified

• RAM slot integrity

• Wi-Fi/Bluetooth testing

• Thermal sensor and fan response check

⚠️ Notes:

• Logic board comes with 128GB removable SSD pre-installed.

• No RAM, power supply, or other parts included unless shown.

• Professional installation recommended.