Aerocool Aero One Duo, Midi Tower, PC, White, ATX, micro ATX, Mini-ITX, Acrylonitrile butadiene styrene (ABS), SPCC, Gaming Aerocool Aero One Duo. Form factor: Midi Tower, Type: PC, Product color: White. Front fans installed: 3x 120 mm, Front fans diameters supported: 120,140 mm, Rear fans installed: 1x 120 mm. Supported HDD sizes: 2.5,3.5". Width: 8.27" (210 mm), Depth: 15.9" (404 mm), Height: 20.5" (520 mm)