ROCK 3 Model A vs. Model B:
Same:
- Both RK3568 based, LPDDR4 3200
- Same PD/QC power support via USB C
Difference:
- Model B has two GbE with two native GMACs
- Model B has one native SATA
- Model B uses M.2 B Key for LTE/5G modules
- Model B uses PCIe 3.0 x1 for M.2 SSD
- Model B uses SDIO on board WiFI module


