The Thermaltake Toughpower PF1 with 850-watt max power is a decent PSU, but it cannot compete with the leaders in this price range (>$170), where the competition is stiff. The Corsair HX850 and the Seasonic Focus Plus Platinum with similar capacity offer higher performance, so the Toughpower PF1 850 isn’t among our best PSU picks. With a notable discount, this unit would be much more attractive since it packs many good features.
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