(Tested) Thermaltake Toughpower Grand 850W PSU Review

Thermaltake Toughpower Grand 850W PSU Review


Thermaltake Toughpower Grand 850W review index

1 – Toughpower Grand 850W: Presentation

Thermaltake logo

The PSU (or Power Supply Unit) is a key element when you want to build a stable and robust system. Especially if you run several high-end graphics cards under GPU-intensive applications. An under sized PSU can lead to system reboot if the power required by the graphics cards is too high. That’s why, a high quality PSU is very important.

In this review, I will stress Thermaltake’s PSU to the max to see if we can rely on this product to build a robust PC.

The Toughpower Grand 850W is one of the five models of Thoughpower Grand, Thermaltake’s new line of PSUs. Toughpower Grand line includes four other models: 650W, 750W, 1050W and 1200W.

Thermaltake Toughpower Grand 850W PSU Review



Toughpower Grand line of PSUs targets enthusiasts who want to build extreme gaming PCs with the highest quality PSUs.

The Grand 850W is a 850W PSU, that is able to deliver a continuous power of 850W. The PSU features one but robust 12V rail with a maximum output current of 71A (71A x 12V = 852W).

Thermaltake Toughpower Grand 850W PSU Review

Toughpower Grand 850W comes with a semi-modular cabling system:

Thermaltake Toughpower Grand 850W PSU Review



The modular panel has four 6-pin connectors for devices such as HDD / DVD player and supports up to six PCI-E (6+2pin) allowing to build 3-way SLI/CrossFire systems!

But not all cables are modular. The PSU has 3 hardwired cables:
– two EPS (4+4pin and 8-pin)
– one main power connector (24-pin)

The PSU is cooled by a 14cm fan that operates at a very low noise level. Thermaltake has added a new feature called FanDelayCool: the fan continues to operate 15-30 seconds after system shutdown to ensure that all components are properly cooled.

Thermaltake Toughpower Grand 850W review index

3 thoughts on “(Tested) Thermaltake Toughpower Grand 850W PSU Review”

  1. Komar

    For 4years now I’m the owner of the older model of toughpower 1200w (dual v12 rails 550w x2 )

    Totally satisfied !

    The “old” beast rocks solid in summertime no issue supplying
    bi xeon architecture – on p6w6 ts supercomputer mobo + bi hd5970 (1000/5200)

  2. charley

    the reviews and bench marking s look great I like that it runs awhile after shut down to make sure its cooled down.. modular power supplies are the only way to go .. thermaltake is a dependable company that I hope will be around for a long time bringing us praducts we need to power and cool our computers

  3. x

    “I’d like to thank Thermaltake marketing team for the Grand 850W review sample.”
    that’s the point when your credibility took a dive.

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