Excellent be quiet! 1000W ATX 3.1 PSU boasts up to 94% efficiency and is on sale on Amazon for 15% less
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We came across the be quiet! Pure Power 13 M 1000W power supply unit on sale on Amazon with a decent 15% shaved off its asking price. The original price tag was $149.90, but with this offer, you can grab it for $127.40. be quiet! is a very reputable brand and this offer has been 5% claimed already. This is an ATX 3.1 and PCIe 5.1 PSU, meaning you’ll get the 600W port with the 12V-2×6 connector for the modern graphics cards.
Besides that, the company also boasts an efficiency of 94.4% with its LLC technology, which is exceptional given that it has an 80 Plus Gold efficiency rating. So, if you’re building a high-end gaming PC, we think this unit should fit in perfectly and safeguard your investment.
be quiet! Pure Power 13 M 1000W
- ATX 3.1 and PCIe 5.1 compliant
- Gold efficiency rating from 80+ and Cybenetics
- Up to 94.4% efficiency
- Overkill for build setups
What made this PSU stand out
This power supply unit is a solid option if you plan on pushing your system hard and have high-end components installed. A 1000W power supply unit is the recommended option for an RTX 5090, which is currently the best GPU you can get your hands on. What this means is that for any GPU below it, this PSU should be more than enough.
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Prices correct as of October 9th, 2026.
ATX 3.1 and PCIe 5.1 ensure that this power supply can handle system and GPU power excursions beyond its capacity for short bursts, while the 12V-2×6 power connector is in charge of delivering up to 600W of power without any issues. So, even if you’re powering the 5090, a single cable is all that you’ll need. The Gold 80+ and Cybenetics ratings mean it is highly efficient, and with LLC technology, this PSU can reach up to 94.4% efficiency, which is outstanding.
The semi-passive zero RPM cooling ensures that the 120mm fan doesn’t spin unnecessarily and only turns on when a significant load is detected. This results in super quiet operation, and its fully modular nature ensures that there is little cable clutter and easy cable management.
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