Rock Pi 4 Model C: A US$59 single-board computer that supports NVMe drives and PoE - NotebookCheck.net News
ROCK5 Model B — ameriDroid
RockPi 4C+
ODROID-M1 with 8GByte RAM – ODROID
i.MX 6 Pico ITX SBC - iWave Systems
Firefly Rockchip-Based SBC Debuts With M.2 SSD Support To Challenge Raspberry Pi 4 | HotHardware
The Rock 5 B is not a Raspberry Pi killer—yet | Jeff Geerling
NAS Multi-functional Mini-Computer Designed for Raspberry Pi Compute Module 4 (NOT included), Network Storage, Dual Solid State Drive slots, Dual Gigabit Ethernet ports, 4G Network, Metal Case | CM4-NVME-NAS-BOX