750-850 watt power supply units: 39 models tested

Comparison test of 39 750-850 watt power supply units



At the risk of being a bit dull, just as in earlier power supply tests we can state that in this day and age you have to make a serious effort to purchase a truly bad PSU. In particular in the class as discussed in this test. However, that does not mean we cannot point out the best of the bunch. Let's start with those where we keep an eye on the price:

As mentioned before, the Cooler Master GM-Series G750M priced at an average of 98 pounds / 95 euros. being the third-lowest 750W model in the test which is a semi-modular unit with little to fault: it is reasonably quiet, has a good ripple, sufficient cable length and enough connectors and it is also pretty compact. Only the efficiency is a tad lower than the rest, which is not enough to not give it a Great Value Award. The XFX TS 750W delivers a slightly better performance at a similar price, but it is not as easily available and not modular.

If you want to have an especially silent power supply with more connectors, better efficiency and lower ripple the Corsair RM750x is out Excellent Choice award winner in a slightly higher budget segment. The same is true for the 850W version of the same model and the other RMx Series units have performed very well. This series has an advantage of being one of the most affordable of the 850W units. The magazine have previously given the Corsair RM Series an Excellent Choise award, but the RMx Series is even better. However they could be cheaper. Therefore the RMx Series also receive an Excellent Choise award.

If on the other hand the money is not an issue and you want the best of the best, you have a choice of: Corsair HX750i, HX850i, Be quiet! Dark Power Pro 11 850W and the Seasonic Platinum Series 860W. These four are the best products in this test and therefore receive the Ultimate Product award.

In this complete table of aforementioned power supplies, you can see which one matches your expectations and budget the best.

Cooler Master GM-Series G750M

Corsair RM750x
Corsair RM850x

Corsair HX750i

Corsair HX850i
Be quiet! Dark Power Pro 11 850W

Seasonic Platinum Series 860W v2


39 products discussed in this review

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