Aerocool Syclone II, Midi Tower, PC, Black, ATX, micro ATX, SECC, Blue Aerocool Syclone II. Form factor: Midi Tower, Type: PC, Product color: Black. Front fans installed: 1x 140 mm, Front fans diameters supported: 140 mm, Side fans diameters supported: 120,140 mm. Supported HDD sizes: 3.5". Width: 10.6" (270 mm), Depth: 20.7" (525 mm), Height: 18.9" (480 mm). Optional fans: 1 x 120/140mm, Noise level: 29.6 dB, Mean time between failures (MTBF): 100000 h