The PC-B10 chassis has had all the sharp edges removed and the surfaces are hair-line brush anodized aluminum. The layout has the motherboard above the power supply allowing for easier access and offering more room for larger graphics cards. The power supply sits on a stand delivering better cooling. This chassis is equipped with an anti vibration kit as well as a rubber strip and foam on the front door panel to reduce noise. The tooless 5.25" drive bays use a mounting bar with a rubber pad and the HDD cage has rubber suspension to absorb and reduce vibration. The PC-B10 has a 120mm and a 140mm intake fan at the front and a 120mm exhaust fan at the rear as well as vent holes on the 5.25" bezels. It has tooless installation of optical drives, hard drives, pci add-on cards and the power supply. It also includes a cable management kit for cables to pass through. This chassis has 5x 5.25" drive bays, 4x 3.5" drive bays, 7x expansion slots, 2x USB 2.0 and HD+AC97 Audio. It is compatible with both ATX and M-ATX mot

Model PC-B10  Case Type Advanced Mid Tower  Dimensions  210 x 440 x 515 mm ( W, H, D)  Front bezel Material Aluminum  Color Black  Side Panel Aluminum  Body Material Aluminum  Net Weight    5.25" drive bay (External) 5 ( BZ-502 use 5.25 x3)  3.5" drive bay (External)   3.5" drive bay (Internal) 4 (2.5 HDD x 4)  Expansion Slot 7  Motherboard ATX, M-ATX  System Fan (Front) 1 x 140mm fan (900RPM); 1 x 120mm fan (1200RPM)  System Fan (Top)   System Fan (Rear) 1 x 120mm Fan @1000RPM  I/O Ports USB2.0 x 2, HD+AC97 Audio