Raspberry Pi Compute Module 4 - 8GB 2GB RAM, 32GB eMMC, 2.4/5.0GHz Wi-Fi & Bluetooth 5.0 - HiTechChain
Amazon.com: MarsKit Raspberry Pi 4 Model B Starter Kit (2GB RAM)/ High-Gloss Transparent Case with Low Noise Bearing System Fan and Set of Heat Sinks/Raspberry Pi OS Pre-Installed for Beginners and Kids :
New 2019 Raspberry Pi 4 Model B, 2GB | Official Distributor 2019| Newark
Amazon.com: Waveshare Accessory Compatible with Raspberry Pi 4 Model B 2GB RAM with Powerful Processor Faster Networking Support Dual 4K Output and Different Choice of RAM Comes with a Copper Heat Sink :