The A1419 iMac 27″ Late 2015 Model 4.0GHz I7-6700K Logic Board (661-03173) is a high-performance replacement part designed to restore your iMac to its peak functionality. Equipped with an Intel Core I7-6700K processor and Radeon R9 M395X graphics with 4GB memory, this logic board is perfect for handling demanding tasks such as video editing, gaming, and professional workflows.
Key Features
- Processor: Intel Core I7-6700K running at 4.0GHz for lightning-fast performance.
- Graphics: AMD Radeon R9 M395X GPU with 4GB dedicated memory for smooth visuals.
- Compatibility: Specifically designed for the A1419 iMac 27″ Late 2015 model.
- Reliable Build: Manufactured to meet Apple’s exacting standards for durability and efficiency.
Compatibility
This logic board is compatible with:
- Model: iMac A1419
- Size: 27-inch
- Year: Late 2015
- Part Number: 661-03173
Why Choose This Logic Board?
The A1419 iMac 27″ Late 2015 Logic Board offers several advantages:
- Improved Performance: The powerful I7-6700K processor ensures fast multitasking and heavy-load handling.
- Enhanced Graphics: With the R9 M395X 4GB GPU, experience vibrant visuals for creative and professional use.
- Seamless Replacement: Designed for an exact fit, ensuring easy installation without modifications.
Installation Tips
Replacing the logic board in your iMac requires careful handling. Follow these steps:
- Power Down: Turn off your iMac and unplug all cables.
- Open the iMac: Use appropriate tools to carefully open the back panel.
- Remove Old Logic Board: Disconnect all cables and screws securing the existing logic board.
- Install New Logic Board: Align the replacement logic board and secure it with screws and connections.
- Close and Test: Reassemble the iMac, power it on, and ensure everything functions properly.

Pro Tip: If you’re unsure about the installation process, consult a professional technician to avoid potential damage.
When to Replace Your Logic Board
Consider replacing your logic board if you notice:
- Frequent Freezing or Crashes: Persistent issues during normal use.
- Graphics Problems: Screen artifacts, distortion, or flickering.
- Hardware Failures: Components like USB ports, audio, or networking stop working.
Conclusion
Upgrading or replacing your A1419 iMac 27″ Late 2015 Logic Board (661-03173) is a great way to restore your iMac’s performance and reliability. With a powerful I7-6700K processor and R9 M395X graphics, this logic board ensures smooth operation for demanding tasks. Don’t let hardware issues slow you down—opt for a high-quality replacement today!


