ARM11 PCB for $40 in Shenzhen is designing these PCBA ARM Powered motherboards for tablets, set-top-box and other devices. The motherboard with the 1Ghz ARM11 processor is just $40. It supports 1080p at up to 30mbitps. Add to that a touch screen, battery and you’ve got a tablet. Or add some the connectors and you’ve got a set-top-box!