Final Thoughts and Conclusions
The Thermaltake Toughpower XT Series 850W PSU delivered excellent voltage regulation with very good efficiency. The XT 850W is relatively quiet, runs cool during normal operation, and includes a good compliment of modular cables/connectors.  The main weakness we found was a relatively high level of AC ripple on the +12V DC output when the PSU was subjected to heavy loads.

The Thermaltake Toughpower XT Series 850W PSU is currently available and typically sells for around $239.99 USD, which is a little on the expensive side when compared with some other high-quality PSUs like the Antec Signature 850W ($239.99) or the Corsair 850HX ($194.99) that manage to keep the AC ripple under control.

Thermaltake Toughpower XT Series 850W Power Supply Review - Cases and Cooling 39

•    850W continuous DC output (up to 50°)
•    Excellent voltage regulation
•    Very good efficiency across a broad range of loads (80-Plus Bronze certified)
•    Quiet at all but the highest power levels
•    Single +12V output can deliver up to 62A
•    Four PCI-E connectors support high-end graphic adapters
•    Active PFC with universal AC input
•    S.P.T. Indicator provides Standby, PG and Temperature status
•    FanDelayCool enables users to control fan run time after shutdown
•    Thermaltake 5-Year warranty

•    High levels of AC ripple on +12V outputs under heavy load
•    Relatively expensive compared to the competition

I would like to thank our friends at Thermaltake for sending us the Toughpower XT Series 850W PSU to review.  Be sure to use our price checking engine to find the best price on any of Thermaltake’s great products or anything else you may want to buy! 

And if you have any questions or comments about the article, or would like to see what others have to say about the Toughpower XT 850W PSU, just click into our Case, Cooling and Power Supply forum to join in the discussion!

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