ASRock's Deskmini A300 is as close as you are getting anytime soon. It's a nice machine but not quite as small as the NUC at 155 x 155 x 80 mm. Though note tha

ASRock's Deskmini A300 is as close as you are getting anytime soon. It's a nice machine but not quite as small as the NUC at 155 x 155 x 80 mm. Though note that the chip in this article is not going in a NUC form factor because it does not have integrated graphics. The Ryzen chips with integrated graphics top out at 4 cores and the new ones are still based on the older Zen+ microarchitecture.