Exterior Color: Black, Heat Sink Material: 6 Heat Pipes, Aluminum Fins, Fan Quantity: 140 mm Fan - 2 PCS, 120 mm Fan - 1 PC, Fan Speed: 140 mm Fan - 650-1400 RPM (PWM) ± 5%, 120 mm Fan - 650-1800 RPM (PWM) ± 5%, Fan Airflow: 140 mm Fan - 67 CFM (Max), 120 mm Fan - 62 CFM (Max), Fan Noise Level: 140 mm Fan - 10 - 27 dBA, 120 mm Fan - 8 - 27 dBA, Fan Air Pressure: 140 mm Fan - 2.25 mmH2O (Max), 120 mm Fan - 2.5 mmH2O (Max). Cooler Master’s MA624 Stealth brings to you twice the performance with dual fans and tower in a striking package. Equipped with jet black hardware throughout, its dark.