Schematics
Board Dimensions: 85mm x 56mm x 18.8mm, see the ROCK64 board dimension drawing
Input Power: +5V @3A with 3.5mm/1.35mm Type H Barrel type DC connector (@2A will work if there is no heavy load on the USB 3.0 port)
ROCK64 ver 3.0 SBC related info:
ROCK64 ver 2.0 SBC related info:
ROCK64 3D autodesk drawing (from TeaPack):