Jonsbo offers quality cases without the gimmicks. The latest example of their commitment to high standards is Quiet Angel QT01.Through the use of of professional viscoelastic acoustic insulating material on both side plates and front panel with four layer design, the case stays silent. Further advanced features include use of aluminum, innovative long display card protection brackets, binding wires on the back of base plate, specialized protection wire loops, toolless hard disk buckles and dedicated areas for water-cooling.Model: QT01Color: BlackDimensions: 195mm (W) x 445 mm (H) x 500 mm (D)Motherboard: ATX, Micro-ATX, U-ATX, ITXHardware material: Side plate: 0.7MM blackened steel plate / Main body: 0.6MM blackened steel platePanel material: brushed anode aluminum plate + ABS plastic + professional mute materialPanel accessories: 3-level fan speed switchHardware featured accessories: graphics card protection bracketDrive Bay: 3 5.25 \", 4 3.5\", 5 2.5 \"Front I / O Port: USB3.0 2, Audio 1, MIC 1Cooling Systerm: Front: 12CM Fan 2 (Built in) / Back: 12CM Fan 1 (Built in) / Bottom: 12CM Fan 1 (Optional)Expansion Slot: 7Power Supply: Standard ATX PS2 (commonly known as large power supply, non-standard configuration)Supply: 320mm Display Card / 157mm CPU CoolerWeight: Net: 7.8KG / Gross: 8.8KG