The new PC-A55 is a great Midi Tower case with a great front mounting PSU deisgn to enhance space and airflow. This chassis offers the usual amazing quality that you always expect from Lian Li with it's brilliant brushed aluminium panels. - Dimensions: (W) 188mm x (H) 375mm x (D) 455mm - Front bezel Material: Aluminum - Side Panel: Aluminum - Body Material: Aluminum - 5.25" drive bay (External): 1 - 3.5" drive bay (External): None - HDD bay: 3.5-Inch HDD x2 / 2.5-Inch HDD x2 - Expansion Slots: 7 - Motherboard: ATX - System Fan (Front): None - System Fan (Top): 140mm Fan x 1 - System Fan (Rear): None - System Fan(bottom): 140mm Fan x 1 - I/O Ports: USB 3.0 x 1 / USB 2.0 x 1 / HD Audio - Maximum Compatibility: VGA Card length: 310mm / PSU length: 160mm / CPU cooler height: 150mm model : Lian-Li PC-A55B Aluminum ATX/mATX tag : Computer Cases