Raspberry Pi 4 hits stores with faster CPU, 4K video, and RAM options | VentureBeat
8GB of RAM on Raspberry Pi 4 & 64bit support - NotEnoughTech
Raspberry Pi Zero W Board 1ghz Cpu 512mb Ram With Built-in Wi-fi & Bluetooth Rpi | eBay
Raspberry Pi Module B 512MB RAM - DFRobot
Amazon.com: Vemico Raspberry Pi 4 Model B 4GB Set RAM 4GB Base Starter Kit with SD Card, Heatsinks, HDMI Cable, Power Supply, Black Case, Reading Card Device, Screwdriver : Electronics