... -MARK7. Cooling by free air convection8. 2 years warranty9. SP-200-12 Single Output ATX Switching Power Supply 200W 2. Specification ... Model OutputTolerance VoltageRipple and NoiseEfficiencySP-200-3.33.3V, 0-40A± 2%100mvp-p65%SP ... , total load can not exceed the maximum output power. SP-200-12 Single Output ATX Switching Power Supply 200W