Chieftec Uni BT-03B, Mini Tower, PC, Black, Mini-ITX, SECC, Home/Office Chieftec Uni BT-03B. Form factor: Mini Tower, Type: PC, Product colour: Black. Power supply: 180 W, Power supply location: Bottom. Front fans diameters supported: 80 mm, Rear fans installed: 2x 60 mm, Rear fans diameters supported: 60 mm. Supported HDD sizes: 2.5". Width: 135 mm, Depth: 240 mm, Height: 295 mm