iMicro 400W 24/20pin Mid Tower Case with Keyboard/Mouse/Speaker CA-J233USB Case Type: Mid Tower M/B Type: Micro ATX, ATX (Max size 12.5x9.5 inch) Drive Bays: 10 Expansion Slots: 7 Cooling System: Optional 1x 80mm Rear Fan; Optional 1x 80mm Side Fan; Side Air Duct Front I/O Panel: 2x USB 2.0 Ports; 1x Speaker; 1x Mic Power Supply: 400 ATX Power Supply, w/ 20+4pin Main Power Connector USB Keyboard: KB-US819EB Compatible with Windows 95/ 98/ NT/ ME/ 2000/ XP Switch Travel Distance: 4  0.4 mm Peak Force: 55  5 g Life Cycle: 10,000,000 times Power Supply: +5V DC, &lt; 200mA USB Mouse: MO-5013U Resolutions: 800 dpi 3D Optical Mouse Ergonomically Shaped Compatible with Windows 98/ 2000/ ME/ XP Optical Scan Rate: 3000 F/sec Speaker: SP-IMD168B Driver Unit: 2.25 inch Power Interface: USB 2.0 THD: 0.2% Impedance: 6 Ohm Frequency Response: 160Hz ~ 20KHz