AOpen barebone chassis feature precise mechanical construction & are ready for FCC system approval. These cases reflect AOpens commitment to quality & offer resellers a way to build systems of superior quality. Combine AOpen cases with industry-leading AOpen motherboards to get the best fit. Features Form Factor: Micro ATX/ATX High expansion capacity-7 slots & 7 drive bays Ports: 2 x USB (Universal Serial Bus) / Head phone / Mic In Power Supply: ATX 12V 400W or up Bend-in edges ensure safe assembly & installation Colorful panel for customer choice Sliding-in/out side covers that make assembly easier Smart slide-in back bracket with no screws needed Case Colour: Black/ Silver Compliance Standards :FCC Class B, DoC, & CE Cooling System :1 x 12cm DC fan Depth: 44.0 cm Expansion Slots :7 External Expansion Bays :2 x 3.5 inch • 4 x 5.25 inch Form Factor: Mid Tower Headphone Ports :1 Height :42.6 cm IEEE 1394 (Firewire) Port: Optional Internal Expansion Bays :1 x 3.5 inch Marketing :AOpen barebone chassis feature precise mechanical construction & are ready for FCC system approval. These cases reflect AOpens commitment to quality & offer resellers a way to build systems of superior quality. Combine AOpen cases with industry-leading AOpen motherboards to get the best fit. Microphone In Port :1 x 3.5mm Mono Mini-Jack