be quiet! Pure Power 11 FM 850 W Review 8

be quiet! Pure Power 11 FM 850 W Review

Value & Conclusion »

Performance Rating


Overall performance is not that competitive. The Corsair RM850x (2021) is 4% ahead, and the RM850 2.8%.

Noise Rating

The graph below depicts the cooling fan's average noise output throughout the entire operating range of the PSU, with an ambient temperature between 30 °C and 32 °C.


Average noise output is close to the RM850x, but should be lower than 25 dBA since be quiet! has made itself a name for silent products.

Efficiency Rating

The graph below shows the PSU's average efficiency throughout its operating range, with an ambient temperature between 30 °C and 32 °C.


Average efficiency is quite high.

5VSB Efficiency Rating

The graph below shows the PSU's average efficiency at 5VSB, with an ambient temperature between 30 °C and 32 °C.


The 5VSB rail's average efficiency is high.

PF Rating

The graph below shows the PSU's average PF throughout its operating range, with an ambient temperature between 30 °C and 32 °C.


The APFC converter's performance is low.
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Jan 9th, 2025 19:05 EST change timezone

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