Mfr Part Number: RC-P100-RKR1 Case Type: Mid Tower Color: Black Material: Body - steel; Bezel - mesh and plastic M/B Type: ATX, Micro ATX Drive Bays: 11 External Bay: 4x 5.25", 1x 3.5" Internal Bay: 6x 3.5" Expansion Slots: 7 Cooling System: 1x 120 x 25mm front fan(Red LED, 1200 RPM, 19 dBA); 1x 80 / 90 / 120mm rear fan (optional); 1x 80 / 90 / 120mm bottom fan (optional); 1x 80 / 90 / 120mm side fan (optional) Side Windows: Yes Front I/O Panel: 2x USB 2.0 ports; 1x Speaker; 1x Mic Power Supply Specification: Type: Intel Form Factor ATX12V V2.3 Total Outpur: 550 W Input Voltage: 110~115 V Input Current: 6.3A @230Vac / 8A @115Vac Input Frequency Range: 47~63 Hz Output: +3.3V @ 25A; +5V @ 25A; +12V1 @ 16A; +12V2 @ 16A; -5V @ 0.8A; -12V @ 0.8A; +5Vsb @ 2.5A Fan: 120mm fan Power Good Signal: 100~500 ms Hold Up Time: >17 ms Efficiency: 70% Typically MTBF: >100,000 hours Protection: OVP/ OPP/ SCP Regulatory: Nemko / TUV / UL / CE / BSMI / FCC / GOST / C-tick Dimensions: 5.9 x 5.5 x 3.4 inch/ 150 x 140 x 86 mm Dimension (WxDxH): 8.43 x 20 x 19.02 inch/ 214 x 508 x 483mm Weight: 7.2 kg/ 15.87 lbs Availability: Usually ships the same business day. CLMUSP100$98.00 Please e-mail or call for a price on any item not listed here. Most items that are not in stock are normally available for pickup/shipping within one business day.