be quiet! Pure Power 12 M 1000W Modular Power Supply | 80 Plus® Gold | ATX 3.1 | PCIe 5.0 GPUs and 6+2 pin connectors | 12VHPWR Cable Included | Silent 120mm be quiet! Fan - BN506 I 10 Year Warranty

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💡 How to pick a power supply
What to look for:
  • Wattage exceeds total system draw by 20-30% headroom
  • 80+ Gold or higher for efficiency
  • Modular cables reduce clutter in your case
💰 Mid-range builds: 650-750W. High-end with RTX 4080+: 850W-1000W+
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ProductWattsRatingModularColorValuePrice
be quiet! Pure Power 12 M 1000W Modular Power Supply | 80 Plus® Gold | ATX 3.1 | PCIe 5.0 GPUs and 6+2 pin connectors | 12VHPWR Cable Included | Silent 120mm be quiet! Fan - BN506 I 10 Year Warranty PSU
be quiet! Pure Power 12 M 1000W Modular Power Supply | 80 Plus® Gold | ATX 3.1 | PCIe 5.0 GPUs and 6+2 pin connectors | 12VHPWR Cable Included | Silent 120mm be quiet! Fan - BN506 I 10 Year Warranty
be quiet!★★★★★4.7
1000W
80+ Gold
Full
$129.86
Specifications
addedAt2026-05-15T16:39:25.981Z
sourceamazon-discovery
Watts1000W
Rating80+ Gold
ModularFull
Form FactorATX
ATX 3.0Yes
Customer Reviews★★★★★5.0 · 5 reviews
★★★★★Near silent PSU- high voltage is a plus!
The Pure Power 12 M 1000W power supply unit (PSU) is a true testament to be quiet!'s commitment to delivering top-tier performance, reliability, and efficiency. As an avid PC enthusiast who demands nothing but the best for my system, I can confidently say that this PSU exceeded all my expectations. First and foremost, let's talk about power efficiency. With its 80 Plus® Gold certification, the Pure Power 12 M ensures exceptional energy efficiency, allowing my system to operate at peak performance while consuming minimal power. This not only reduces electricity costs but also minimizes heat output, contributing to a cooler and quieter computing experience. In terms of power delivery, the Pure Power 12 M 1000W PSU offers ample wattage to handle even the most demanding components with ease. Whether I'm running multiple graphics cards, high-end processors, or a plethora of peripherals, this PSU delivers a stable and reliable power output, ensuring smooth and uninterrupted operation under any workload. Furthermore, the Pure Power 12 M boasts an ATX 3.0 form factor, providing broad compatibility with a wide range of PC cases and motherboards. Its modular design allows for easy cable management, minimizing clutter and optimizing airflow within the chassis for improved cooling performance. One aspect that truly sets the Pure Power 12 M apart is its whisper-quiet operation. Equipped with a SilentWings 3 fan, this PSU operates virtually silent even under heavy loads, ensuring a peaceful computing environment without any distracting noise. Last but not least, be quiet!'s reputation for quality and reliability shines through in every aspect of the Pure Power 12 M. Built with premium components and backed by a five-year warranty, I have complete peace of mind knowing that my system is powered by a PSU that's built to last. In conclusion, if you're in the market for a high-performance, energy-efficient, and whisper-quiet power supply unit, look no further than the Pure Power 12 M 1000W from be quiet!. With its 80 Plus® Gold certification, modular design, and rock-solid reliability, it's the perfect choice for discerning PC enthusiasts who demand nothing but the best.
Alex · 2024-05-10 · via amazon
★★★★★Hasn't died yet.
As stated, hasn't died yet. Thats a harsh testament to how PC hardware outlooks are these days. My old Raidmax 850ae gold psu was still going strong since 12.5.2013. That is equal parts glorious and terrifying. I was getting black screens and total system freezes in GTA online, occasionally in other games so I started looking into possibilities. One was failing psu, so I got this one on the BF sale. Now, it didnt fix my issue (issue was steam/nvidia/discord In Game Overlay breaking stuff.) So far my PC runs and is quiet (cpu cooler fan is a tad noisy - obviously not a reflection on this conponent ) The modular cables are nice. Its all black - very nice. It seems like a good value for the cost. I have an RTX2070super so I did not try the PCIe 5 connector.
The Incredible Epistaxis · 2026-01-01 · via amazon
★★★★★Ideal for high-end PCs
Good power supply, quiet and with good performance, I just wish the cables were a little longer and that it had more PCIe ports
Vevyseven · 2026-01-30 · via amazon
★★★★★Great PSU.
So far so good. Great PSU. Was having issues with my old Corsair ax1200i after it sat in storage for about 6 years. I decided to switch up my build and change cases so I went from a Lian Li 011 mini to a SUP01 and the Cooler Master sfx PSU I was using wouldn't fit so I drug out the old Corsair and it would cause a hard crash when my 7900XTX was under full load. Ordered this to replace it and has been good ever since. PSU is quiet under load and provides plenty of power. Also like the fact that even though the pcie cables are dual 8pin, the design of the PSU provides full wattage to both ends of the single dual 8pin.
Keith Runyon · 2025-11-04 · via amazon
★★★★★As described / expected
Works well- and operates as expected- quietly! Easy install and I truly appreciate the cabling system- no more unused wires bundled into the cabinet. Would buy again.
Tom T. · 2026-04-23 · via amazon
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be quiet! Pure Power 12 M 1000W Modular Power Supply | 80 Plus® Gold | ATX 3.1 | PCIe 5.0 GPUs and 6+2 pin connectors | 12VHPWR Cable Included | Silent 120mm be quiet! Fan - BN506 I 10 Year Warranty PSU