ROC-RK3566-PC single board computer supports up to 8GB RAM, M.2 NVMe SSD's - CNX Software
Amazon.com: Raspberry Pi 4 Computer Model B 8GB Single Board Computer Suitable for Building Mini PC/Smart Robot/Game Console/Workstation/Media Center/Etc. : Electronics
Firefly AIO-3568J AI Single Board Computer Based on Rockchip Quad-Core RK3568 Soc with 8GB RAM Support NPU WiFi 6 and 4G Module - Newegg.com