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Thermaltake Toughpower QFan 650W Review

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Closer Look:

The Thermaltake Toughpower QFan 650W is a solidly built unit with a dark grey metallic paint finish. Honeycombed grill along with IEC mains input connector and mains on/off switch at the rear and modular cable sockets along with only two hard-wired cables on the front. The inclusion of only two hard-wired cables, the main 24-pin motherboard and 8-pin PCI-E power (6-pin with adapter) is in my opinion a sensible approach as these are the only two that will be definately needed in the majority of builds. The modular cables are then selected as needed which reduces the quantity of cables in use and helps keep things tidy.











Side panel displaying a Toughpower/QFan 650W logo that may be visible depending on which case you use and on the other side a production test label.



A comprehensive specification label is attached to the top giving the user all the necessary information needed to correctly install the power supply. The large white 140mm cooling fan is protected with a black grill with a Thermaltake logo at its centre.



Photograph showing the two hard-wired cables with a total length of 500mm to the connector. The modular cables are of similar design with 500mm up to the first connector and then a spacing of 150mm between connectors. The type and quantity of cables and connectors included should cater for all mainstream users and ensure you don't come up short when installing the power supply.



The cooling fan is a Thermaltake 140mm TT-1435A of open frame design (similar to the stock fan on Intel Core 2 Duo heatsinks if you have ever unclipped one). It is of brushless design with a 12VDC 0.2A rating. If you look carefully you will see a clear plastic baffle installed to help deliver the air were it's needed. The printed circuit board layout does seem very cluttered but with such a large fan mounted directly above shouldn't prove to be a problem. Large aluminium heatsinks are used throughout for heat dissipation.



White plastic sheets are used to insulate live components from the case and all the coils are covered in heatshrink sleeving. I was dissapointed to note the use of 85°C Samxon capacitors. While the brand is satisfactory the use of 105°C rated capacitors would help to extend the life of the power supply.



Well built with no obvious problems to note.


  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specifications & Features
  4. Testing: DC Voltage Load Regulation At 110VAC & 230VAC
  5. Testing: Efficiency, Power Factor & DC Quality
  6. Testing: Temperature, Noise Level & Fan Speed
  7. Conclusion
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