While slightly bigger than those mini desktops, Asus and Asrock have recently released Intel N100 ITX motherboards. I have the Asus variant in a 1u short depth

While slightly bigger than those mini desktops, Asus and Asrock have recently released Intel N100 ITX motherboards. I have the Asus variant in a 1u short depth case and since theres no fan, its silent and capable of running some self hosted stuff at ease.