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Thermaltake Toughpower XT 775W Power Supply Review


Closer Look:

The Thermaltake Toughpower XT 750W paint job is probably best described as satin olive green with a slight metallic sheen.
















The hexagonal holed exhaust grill, mains IEC input socket and mains on/off switch make up the rear panel of the Thermaltake Toughpower XT 775W power supply. The amount of time the cooling fan remains running after PC shut down, FanDelayCool, is fixed at approximately 30 seconds on the Thermaltake Toughpower XT 775W power supply and there is no user selectable timing switch on the rear panel like the older members of the XT range. The front panel carries the modular cable connectors, black for peripherals and red for PCI-E, next to the captive cable exit port. The captive cables sleeving does not enter the power supply making things look at little untidy.



One side of the power supply carries a label which gives power supply type and wattage rating along with a Tt Thermaltake logo. This label also carries the S.P.T. Indicator panel, from top to bottom, STANDBY, PG SIGNAL and TEMPERATURE status LED's. The opposite side of the power supply contains a small four slit ventilation grill.



The cooling fan guard grill is part of the casing and carries a Tt Thermaltake logo at its centre. The bottom face of the power supply carries a comprehensive specification label.



The captive cable consists of a 24 pin motherboard connector cable and a single cable carrying a 4+4 pin ATX12V/EPS12V connector and a 8 pin EPS12V connector. This is the more sensible approach to producing a modular power supply because these two cables are going to be needed in the vast majority of cases. The Thermaltake Toughpower XT 775W power supply comes with a comprehensive set of modular cables which include the use of RFI suppressing ferrite cores on the PCI-E connector cables.



The cooling fan is Thermaltakes fan of choice the TT-1425B which is actually manufactured by Honghua Electron Tech. Co. Ltd. under the model number HA-1425H12B-Z and rated at 12VDC 0.5A. A clear plastic baffle is fitted at the rear of the fan to help direct the airflow through the enclosure for optimal cooling.


The internal printed circuit board is well laid out and differs in design from previous XT models with the use of DC to DC converters for the +3V3 and +5V0 rails which should improve efficiency and reduce AC noise/ripple. The packaging of the power supply claims the Thermaltake Toughpower XT 750W power supply makes use of "High Quality Japanese & solid state capacitors". The solid state capacitors are used on the two DC to DC converter boards that can be seen vertically mounted on left hand side behind the mains input connector. The electrolytic capacitors are on the whole manufactured by Teapo based in Taiwan and China but we do have one Japanese manufactured capacitor, the main primary smoothing capacitor, made by Chemi-Con. The Teapo capacitors are all rated at a working temperature of 105°C which is the more acceptable rating for a power supply in this class.


The large surface area on the black aluminium heat sinks will provide more efficient component cooling in combination with the large high quality cooling fan. The build quality is very good with no problems to report.



The Thermaltake Toughpower XT 750W power supply is very well put together and in combination with a good set of accessories and sturdy packaging passes inspection so far, so let's move on.

  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specification & Features
  4. Testing: DC Voltage Load Regulation
  5. Testing: Efficiency, Power Factor & DC Quality
  6. Testing: Temperature, Noise Level & Fan Speed
  7. Conclusion
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