661-16560 iMac 24″ A2438 M1 8-core CPU, 7-core GPU, 16GB, 256GB Logic Board 820-02009-A

Logic Board – Apple iMac 24″ A2438 M1, 8-Core CPU / 7-Core GPU / 16GB / 256GB
Apple Part Number: 661-16560
Logic Board Number: 820-02009-A
Compatible Model: iMac 24″ – M1 (2021), A2438 (4-Port or 2-Port)
EMC Number: 3662

Technical Description

This is the complete logic board assembly designed for the Apple iMac 24-inch (2021) Model A2438, built with the first-generation Apple M1 SoC and integrated components.

Key Specifications:

Apple M1 Chip: 8-core CPU (4 performance cores + 4 efficiency cores) and 7-core GPU, 5nm architecture.
Unified Memory: 16GB LPDDR4X-4266 MHz RAM, soldered to board.
Internal Storage: 256GB NVMe SSD, integrated.
Connectivity: Built-in support for Wi-Fi 6 (802.11ax) and Bluetooth 5.0.
I/O Compatibility: Supports both 4-port and 2-port iMac A2438 configurations.
Thermal Management: Includes mounts for fan and proprietary heat sink surfaces for optimal cooling.

 Note:

Compatible only with iMac 24″ M1 (2021) Model A2438.
Not compatible with previous Intel-based iMacs or M1 Pro / M1 Max variants.