Gold-rated Thermaltake 850W ATX 3.1 PSU is a steal for less than $80
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Building a new gaming PC can be very exciting, but there are some variables that you need to be aware of. While the CPU and GPU are important components, fixating too much on them and forgetting the other parts can lead to possible issues, especially if you skip out on grabbing a robust power supply unit. This is the one unit that is with you for the long ride and also protects the rest of the investment, so it is never recommended to get a low-quality PSU.
However, we understand that going for ASUS 1600W power supply units can be expensive, and that is also a bit overkill unless you’re building an enthusiast gaming PC. If you have a limited budget but also want to score a solid PSU, we recommend you check out the Thermaltake Toughpower GT850W.
This is an ATX 3.1 power supply unit with an 80 Plus Gold efficiency, a 120mm HBF fan, and can handle up to 200% power excursions. This is a great option to grab as it’ll easily future-proof your setup, and you can upgrade up to the RTX 5080 without any issues. So, for only $79.99, we think it offers incredible value for money and is an absolute steal.
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Prices correct as of October 9th, 2026.
Why you should grab the Thermaltake GT 850W
Gives you plenty of headroom for upgrades
The Thermaltake Toughpower GT with its 850W power output offers you sufficient room to grow, as most modern gaming PC builds would only barely tap into this power level. The unit is well-equipped to manage top-tier processors with graphics cards like the high-end RTX 5070 Ti or RTX 5080 and still will leave some extra capacity for storage expansion, extra cooling solutions, and other hardware upgrades. And, using a power supply below its max load most of the time can also help the PSU to be more efficient by saving energy, reducing fan noise, and prolonging the lifespan through less stress.
Comes with the 12V-2×6 connector
The power supply also comes with a native 12V-2×6 connector. This cable allows for direct power delivery from the power supply, without the need for an adapter, which will save you space and simplify installation, reducing cable management to a minimum.
The 12V-2×6 connector design itself has also seen some improvements, like increased and different pin contact lengths, and contact tolerance changes which help to create a more solid contact of the power plug and at the same time lowering the overheating risk when it comes to improperly seated cables.
ATX 3.1 compliant and PCIe 5.1 ready
The power supply is ATX 3. 1 compliant and offers support for PCIe 5.1 hardware, which makes it compatible with both current PC and future PC components. ATX 3. 1 standard introduces more stringent power delivery rules that can better meet the modern graphics card’s power spikes, which is also evident with its 200% excursion limit, delivering greater system stability to heavy gaming or rendering loads.
Is this PSU for you?
This power supply is an amazing offering and brings a lot of value. You can power a budget, mid-range, or high-end gaming PC with this PSU and experience the best performance in gaming and work with sustained heavy loads. The efficiency rating will ensure that your electricity bill remains low and its hardware and functionalities ensure a smooth and protected operation.
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