The 4.0 GHz I7-4790K Logic Board is specifically designed to upgrade your 27″ iMac A1419 Late 2014 BTO/CTO model. Featuring advanced processing capabilities and superior graphics support, this logic board offers unmatched performance for demanding tasks like video editing, 3D rendering, and high-end gaming. With the 661-00193 logic board, you can unlock the full potential of your iMac.
Key Features
This high-performance logic board comes with a range of features that make it an essential upgrade:
- Powerful Processor: Equipped with the Intel I7-4790K 4.0 GHz processor for seamless multitasking and fast performance.
- Graphics Compatibility: Supports advanced graphics cards to enhance visual output.
- Apple OEM Quality: Built to Apple’s original specifications for reliable performance.
- Comprehensive Connectivity: Includes all necessary ports and features for modern peripherals.
Why Upgrade?
Upgrading to the 661-00193 Logic Board brings several advantages:
- Boost Performance: Enjoy faster load times and improved system efficiency.
- Enhanced Graphics: Ideal for professionals working with resource-intensive software.
- Future-Proofing: Stay compatible with the latest macOS updates and applications.

Installation Steps
Follow these steps to install the new logic board:
- Prepare Your Workspace: Ensure a clean, static-free environment before starting.
- Power Down: Turn off your iMac and disconnect all cables.
- Access Internal Components: Use the appropriate tools to open the iMac’s back panel.
- Replace the Logic Board: Carefully remove the existing board and install the new one.
- Reassemble and Test: Reattach all components, close the panel, and power on your iMac.
Note: If you’re unsure about handling hardware, consult a professional technician for installation assistance.
Compatibility and Specifications
The 4.0 GHz I7-4790K Logic Board (661-00193) is compatible with:
- 27″ iMac A1419 Late 2014: Specifically designed for BTO/CTO configurations.
- Graphics Cards: Supports a variety of advanced GPUs for professional workflows.
- Processor Speed: 4.0 GHz Intel I7-4790K ensures fast and efficient performance.
Benefits of Choosing OEM Parts
Opting for OEM (Original Equipment Manufacturer) parts, such as the Logic Board 661-00193, ensures:
- Exact Fit: Guaranteed compatibility with your iMac model.
- Reliable Performance: Tested and approved to meet Apple’s high standards.
- Durability: Long-lasting quality for peace of mind.
Conclusion
Upgrading your 27″ iMac A1419 Late 2014 BTO/CTO with the 4.0 GHz I7-4790K Logic Board (661-00193) is a smart investment for those seeking superior performance and reliability. Whether you’re a creative professional or a power user, this upgrade ensures your iMac remains efficient, fast, and capable of handling today’s demanding applications. Take the leap and elevate your computing experience today.


