The 3.3 GHz I5-4590 Logic Board is specifically engineered for the 27″ iMac A1419 Mid 2015 (MF885LL/A). This high-performance logic board, identified by part number 661-00190, is a reliable replacement that restores functionality and improves the speed of your iMac. If you’re dealing with frequent crashes, boot failures, or sluggish performance, this replacement logic board is the perfect solution.
Key Features of 3.3 GHz I5-4590 Logic Board:
This replacement logic board comes with several key features that ensure excellent performance:
- Powerful Processor: Powered by the 3.3 GHz Intel I5-4590 processor for seamless multitasking.
- OEM Quality: Meets or exceeds original specifications for reliability and durability.
- Compatibility: Designed exclusively for the 27″ iMac A1419 Mid 2015 (MF885LL/A).
- Efficient Cooling: Built to maintain optimal temperature levels during heavy workloads.
- Supports Advanced Features: Ensures compatibility with your iMac’s integrated hardware and software.

Why Replace Your 3.3 GHz I5-4590 Logic Board Logic Board?
There are several reasons why replacing your iMac’s logic board might be necessary:
- Performance Issues: Frequent crashes, lagging, or slow performance could indicate a failing logic board.
- Hardware Malfunctions: Issues like non-responsive ports or unrecognized components can be resolved with a replacement board.
- Upgraded Hardware Compatibility: Ensure your system runs smoothly with updated components.
- Cost-Effective Solution: Replacing the logic board is often more economical than purchasing a new iMac.
Installation Process
Replacing the logic board requires technical expertise. Follow these steps for a smooth installation:
- Power Down: Turn off your iMac and disconnect all cables.
- Open the iMac: Carefully detach the display using specialized tools.
- Locate the Logic Board: Identify and remove the existing logic board.
- Install the New Logic Board: Securely place the new board in the designated slot.
- Reassemble the iMac: Reattach the display and reconnect the cables.
Tip: If you’re not comfortable with the process, consider seeking professional assistance to avoid potential damage.
Compatibility and Specifications
This logic board is specifically designed for the 27″ iMac A1419 Mid 2015 (MF885LL/A) model. Verify your iMac’s model number and production year before purchasing to ensure compatibility.
Advantages of Choosing OEM Parts
Opting for an OEM-quality replacement like the 661-00190 logic board guarantees numerous benefits:
- Seamless Integration: Fits perfectly with your iMac’s hardware.
- Reliable Performance: Ensures smooth and stable operation.
- Extended Lifespan: Built to last, reducing the need for frequent replacements.
Conclusion
The 3.3 GHz I5-4590 Logic Board for the 27″ iMac A1419 Mid 2015 is an essential upgrade for users experiencing performance issues or hardware failures. Its OEM quality, advanced features, and compatibility make it a smart choice for restoring your iMac to its full potential. By replacing your logic board, you’ll enjoy enhanced speed, reliability, and efficiency, ensuring your iMac remains a powerful tool for years to come.


