Support motherboard specifications: Mini-ITX 6.6*6.6in (17*17cm)Micro-ATX 9.6*9.6in (24.5*24.5cm)ATX 9.6*12in (24.5*30.5cm)E-ATX 10.4*12in (26.5*30.5cm)SSI-EEB 12.9*12in (33*30.5cm)Disk bit: 2.5"SSD bit*2, 3.5"HDD bit*2Or 2.5"SSD bit*3, 3.5"HDD bit*1Fan position: front 4.7in*3/5.5in*2, top 4.7in*2/5.5in*2, rear 4.7in*1, power compartment 4.7in*2Body material: 0.6mmSPCC steel plateSize: 15.1*8.1*18in (386*208*458mm)