The Compute Module 4 packs all the best features of the Raspberry Pi Model B 4 into a more favorable form-factor for embedded or OEM applications.
Compute Modules 4 (CM4) - Raspberry Pi
Buy a Compute Module 4 – Raspberry Pi
Raspberry Pi - SparkFun Electronics
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Raspberry Pi - SparkFun Electronics
Raspberry Pi - SparkFun Electronics
Raspberry Pi Compute Module 4 - Lite - DEV-17364 - SparkFun Electronics
Buy a Compute Module 4 – Raspberry Pi
Development Tools - page 10 - SparkFun Electronics
The Raspberry Pi Compute Module 4 Review