661-16555 iMac 24″ A2438 M1 8-core CPU, 8-core GPU, 16GB, 1TB Logic Board 820-02009-A

Product Information

Part Name: Logic Board – Apple iMac 24″ A2438 M1, 8-Core CPU / 8-Core GPU / 16GB RAM / 1TB SSD
Apple Part Number: 661-16555
Logic Board Number: 820-02009-A
Compatible Model: iMac 24″ – M1 (2021), A2438 (4-Port or 2-Port)
EMC Number: 3662

 
Technical Description

This genuine Apple logic board is designed for the iMac 24″ (2021) Model A2438, featuring Apple’s M1 chip with 8-core CPU and enhanced 8-core GPU.

Key Specs:

Processor: Apple M1 – 8-core CPU (4 performance + 4 efficiency cores)
Graphics: Integrated 8-core GPU
Memory: 16GB unified LPDDR4X RAM (non-upgradable)
Storage: 1TB onboard NVMe SSD
Wireless: Wi-Fi 6 (802.11ax), Bluetooth 5.0
Cooling: Designed with thermal interfaces for fan and heatsink

 
Compatibility Note:

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