Hello xdom. No, a Deep Mini-ITX mainboard is not supported. The case is only suitable for Mini-ITX mainboards (170 x 170 mm). Your AsRock model measures 170 x 208 mm.

Yes, that is correct. The Jonsbo N2 Mini-ITX PC case does not include a power supply unit. However, it offers space for an SFX power supply unit, which must be purchased separately.

Thank you very much for the hint! I will rectify the incorrect specification as soon as possible.🫡