be quiet! PurePower 12 1200Watt

Review Pages

1. Introduction
2. Retail Package
3. Tests - Conclusion

For our tests, we used the be quiet! PurePower 12M 1200Watt with the following test PC system:

AMD 7950X
Asus ProArt X670E-CREATOR WIFI Motherboard with the latest BIOS
MSI 4090 Suprim X Graphics Card with the latest Nvidia Drivers installed
Crucial 2x16 DDR5-5200 Memory
OCCT Enterprise Edition latest version (Power Test)
Windows 11 Pro Edition + latest updates installed

	Min	Average	Max
+5V	4.96 V	4.96 V	5 V
AVSB	3.39 V	3.39 V	3.39 V
3VCC	3.31 V	3.31 V	3.33 V
+12V	12 V	12.03 V	12.10 V
3VSB	3.39 V	3.39 V	3.41 V
VTT	3.31 V	3.31 V	3.33 V
CPU Package Power	64.46 W	177.90 W	208.21 W
GPU Power	17.86 W	445.56 W	455.31 W

The be quiet! Pure Power 12M series showed good stability during our stress bench with the OCCT Enterprise Edition and its "Power" test that stresses the system's total watt and power consumption. You can be sure that this power supply will stand the torture test of the fastest AMD processor and what Nvidia offers for ultra-high gaming.

- Conclusion

The be quiet! Pure Power 12M power supply series expanded up to 1200 watts to cover the increased needs that came from today's personal computers. We had already tested the Pure Power 12M 850Watt variant and as was expected, the 1200Watt also delivers very good performance and is armed with ATX3.0 compliance in order to deliver great efficiency and power to users who have new RTX4000 series graphics cards and in general want a future-proof power supply.

The product comes with tons of certifications and uses on any modern system, and our test PC (AMD 7950X + NVIDIA 4090) gave stable operation and good noise levels when stressed with OCCT Enterprise Edition. As with all Pure Power 12M series, you can use the new 12VHPWR connector, which is able to deliver significantly more power compared with ATX2.0 power supplies. The included cable from be quiet! has great quality and supports up to 600 watts. There are also two ‘traditional’ PCIe 6+2 connectors to cover "older" graphics card users.

At the market of 1200watt, there are many different solutions, but be quiet! has a very good product assembled with affordable price and 10years of warranty which is very positive from the user's point of view. The retail price of 199 Euro is very good for the produced performance, so the be quiet! PurePower 12M series deserves your attention and possibly buy either when building a new system or simply wanting to upgrade your current power supply.

- The Good

Supports ATX 3.0 & PCIe 5.0 protocols
1200Watt total output with two 12V rails
80 Plus Gold rating
Very good build quality
Fully Modular cable design
Included 120mm fan does the job well
Many connectors with good length + native 12VHPWR connector
10 years of warranty
Steady operation under heavy load with AMD 7950X + MSI 4090 VGA
Competitive price for the 1200watt platform (80 Plus Gold+ATX3.0+10 years warranty)

- The Neutral