Best performed SECC Japanese steel metal Folded edge - for safety installation. no sharp edges, debris Stamped motherboard support - no motherboard standoffs installation required, for faster motherboard installation Configured drive bays for expandability of future upgrade Excellent thermal solution Easy installation and maintenance Product Description: IN WIN C-Series C589 - mid tower - ATX Form Factor: Mid tower Dimensions (WxDxH): 7.5 in x 17.1 in x 16.7 in Color: Black I/O Connectors: 2 x Hi-Speed USB ¦ 1 x audio - output ¦ 1 x microphone - input Supported Mainboards: ATX, microATX System Cabinet Features: Screwless PCI card retainers, screwless drive bays, padlock loop, fan duct, rolled edges Power Device: Power supply 350 Watt Specification Compliance: ATX12V General Form Factor: Mid tower Max Mainboard Size: ATX Supported Mainboards: ATX, microATX Specification Compliance: ATX12V Internal Bays Qty: 3 Front Accessible Bays Qty: 5 Width: 7.5 in Depth: 17.1 in Height: 16.7 in Color: Black System Cabinet Features: Screwless PCI card retainers, screwless drive bays, padlock loop, fan duct, rolled edges Expansion / Connectivity Expansion Bays: 3 (total) / 3 (free) x front accessible - 5.25" x 1/2H 2 (total) / 2 (free) x front accessible - 3.5" x 1/3H 3 (total) / 3 (free) x internal - 3.5" x 1/3H Expansion Slot(s): 7 expansion slot Interfaces: 2 x Hi-Speed USB - 4 pin USB Type A 1 x audio - output - mini-phone stereo 3.5 mm 1 x microphone - input - mini-phone 3.5 mm Miscellaneous