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be quiet! Pure Power 12 850W 80+ Gold ATX power supply
be quiet!

be quiet! Pure Power 12 850W

Power SuppliesView on bequiet.com
Wattage:
850 W
80 PLUS Rating:
Gold
Modularity:
Non-Modular
ATX Standard:
ATX 3.1

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Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

Manufacturer: be quiet! Last updated: September 8, 2026

be quiet! Pure Power 12 850W (850W/80+ Gold/Fully Modular/Established Brand Value) Review

The be quiet! Pure Power 12 850W matches the Montech Century II covered elsewhere on this site on both price and wattage, offering buyers who prefer be quiet!'s longer-established brand history and build-quality reputation an equally valid choice at essentially the same value tier. It represents the more mainstream, accessible end of be quiet!'s PSU lineup, sitting below the pricier, quieter Power Zone 2 covered elsewhere on this site.

The be quiet! Pure Power 12 850W matches the Montech Century II covered elsewhere on this site on both price and wattage, offering buyers who prefer be quiet!'s longer-established brand history and build-quality reputation an equally valid choice at essentially the same value tier. It represents the more mainstream, accessible end of be quiet!'s PSU lineup, sitting below the pricier, quieter Power Zone 2 covered elsewhere on this site.

Wattage and Efficiency

850W with 80+ Gold certification covers high-end gaming and productivity builds comfortably, matching the specification tier that current guides recommend for RTX 5080-class GPUs paired with a modern high-TDP CPU.

Modularity and Cabling

Fully modular design at this price point supports clean cable management without the premium pricing of be quiet!'s higher-tier Power Zone series.

Brand Reputation and Reliability

be quiet!'s decades-long reputation for engineering quality, built primarily through its cooling products but extending into its PSU lineup, gives this unit a track record advantage over newer market entrants, a real consideration for buyers who specifically value established brand history when choosing a component this critical to overall system safety.

Design and Build

At a price and wattage tier matching newer competitors like Montech, this unit's value proposition rests specifically on be quiet!'s longer history and broader reputation rather than a unique spec advantage, a legitimate reason to choose it for buyers who weigh that history meaningfully.

Comparison to Sibling Products

Against the Montech Century II 850W, covered elsewhere on this site, both match closely on price, wattage, and efficiency rating; the decision genuinely comes down to brand preference and how much a longer track record matters to a given buyer. Against be quiet!'s own Power Zone 2 850W, also covered elsewhere on this site, that unit costs roughly $30 more but delivers a Cybenetics A+ noise rating and Platinum efficiency, a worthwhile step up for noise-sensitive builds specifically.

Who This Power Supply Is Actually For

Buyers who want be quiet!'s established brand reputation at a genuinely competitive price. This matches newer-brand value pricing while carrying a longer track record.

High-end gaming builds needing 850W of Gold-rated headroom on a moderate budget. Comfortably covers current-generation demanding GPU and CPU pairings.

Not for buyers who specifically want the quietest possible operation. be quiet!'s own Power Zone 2 850W, covered elsewhere on this site, is the right step up for that specific priority.

Specifications

Identity

Brandbe quiet!
Model NumberPure Power 12 850W

Output and rails

+12V Rail Amperage70.9 A
Single +12V RailYes

Standards and compliance

PCIe CEM StandardPCIe 5.1
Hold-Up Time17.3 ms

Connector inventory

EPS 8-pin Connectors2
SATA Connectors6
Molex Connectors1

Form factor and fit

Length160 mm
ColourBlack

Cooling

Fan BearingRifle

Build quality

MTBF100000 hours

Cables

ModularityNon-Modular

Monitoring, protection and price

ProtectionsOTP, OCP, OPP, SCP, OVP, UVP, SIP
Price94.99 USD
Warranty10 years
Wattage850 W
80 PLUS RatingGold
ATX StandardATX 3.1
Form FactorATX
12V-2x6 Connectors1
Zero-RPM ModeNo
Sleeved CablesYes
PCIe 8-pin Connectors3
Connector Count1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x 12V-2x6, 3x PCIe 6+2-pin, 6x SATA, 1x Molex
Fan Size120 mm
Fan Model / Bearing120mm rifle bearing, 4-pole motor
OEM / PlatformHEC
Japanese CapacitorsNo
Source URLhttps://www.bequiet.com/en/powersupply/5676

Expert Review

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

  • Buyers who want be quiet!'s established brand reputation at a genuinely competitive price. This matches newer-brand value pricing while carrying a longer track record.
  • High-end gaming builds needing 850W of Gold-rated headroom on a moderate budget. Comfortably covers current-generation demanding GPU and CPU pairings.

Not for

  • Not for buyers who specifically want the quietest possible operation. be quiet!'s own Power Zone 2 850W, covered elsewhere on this site, is the right step up for that specific priority.

FAQs

What are the key specifications of the be quiet! Pure Power 12 850W (850W/80+ Gold/Fully Modular/Established Brand Value)?

The be quiet! Pure Power 12 850W (850W/80+ Gold/Fully Modular/Established Brand Value) is a power supply from be quiet!. Key specs: Wattage 850 W, 80 PLUS Rating Gold, Cybenetics Efficiency Platinum, Cybenetics Noise A-, Modularity Non-Modular.

Will the be quiet! Pure Power 12 850W (850W/80+ Gold/Fully Modular/Established Brand Value) work with my current setup?

The be quiet! Pure Power 12 850W (850W/80+ Gold/Fully Modular/Established Brand Value) lists Wattage is 850 W. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the be quiet! Pure Power 12 850W (850W/80+ Gold/Fully Modular/Established Brand Value) best suited to?

It suits buyers who want be quiet!'s established brand reputation at a genuinely competitive price. this matches newer-brand value pricing while carrying a longer track record., high-end gaming builds needing 850w of gold-rated headroom on a moderate budget. comfortably covers current-generation demanding gpu and cpu pairings..

What are the drawbacks of the be quiet! Pure Power 12 850W (850W/80+ Gold/Fully Modular/Established Brand Value)?

It is a poor fit for not for buyers who specifically want the quietest possible operation. be quiet!'s own power zone 2 850w, covered elsewhere on this site, is the right step up for that specific priority..

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