Amazon.com: Raspberry Pi Compute Module 4 Raspberry Pi CM4 1GB RAM 0GB-eMMC/NO eMMC (Lite Version) Flash Without WiFi Comes with Heatsink and Board-to-Board Connector : Electronics
Buy a Compute Module 4 – Raspberry Pi
RasPiKey: Plug and Play eMMC Module for Raspberry Pi | UUGear
Raspberry Pi Compute released (PCIe slot) up to 8GB of RAM and eMMC - Server - openHAB Community