Sipeed had previously announced two tablets ("Lichee Pad 4A" and "Lichee Pad Max 4A"), but those are gone from their web page now. Those would have fit Sipeed'

Sipeed had previously announced two tablets ("Lichee Pad 4A" and "Lichee Pad Max 4A"), but those are gone from their web page now. Those would have fit Sipeed's CPU module: so they could have been upgraded to the same SoC as DC's tablet, or better, but at the expense of thickness: 10 mm.