Raspberry Pi 3 Model B+ Single Board Computer, 1.4GHz Quad-Core, 1GB RAM
Raspberry Pi 4 Model B, 4GB RAM, Quad-core Cortex-A72 @ 1.8GHz

Desktop Single Board Computer Kit, Quad-Core 1.5 GHz, 2 GB

2GB Quad-Core 64-Bit Single Board Computer Desktop Kit

Single-Board Computer with 2GB LPDDR4, Quad-Core 1.5GHz, Dual micro-HDMI