be quiet!

be quiet! Dark Power 12 850W

Name: be quiet! Dark Power 12 850W, 80 Plus Titanium Efficiency, Power Supply, ATX, Modular, virtually inaudible Silent Wings Fan
Brand: be quiet!
SKU: B08XWYMM2K

Status: be quiet! Dark Power 12 850W: Unavailable on Amazon as of 2026-10-06 10:30 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The be quiet! Dark Power 12 850W is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Unavailable on Amazon as of 2026-10-06 10:30 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: be quiet! Dark Power 13 850W — $179.90 on Amazon as of 2026-10-06 22:21 UTC (price may vary).

View Current Price — $179.90

Similar: be quiet! Pure Power 13 M 850W — $99.90 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $99.90

Similar: Apevia ATX-SL850W Soul 850W Fully Modular Power… — $62.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $62.99

Original listing (currently unavailable) → Compare to similar power supplies

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ 80 PLUS Titanium efficiency (up to 95.6%)
✓ Backed by be quiet!'s warranty and support channels

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

The be quiet! Dark Power 12 offers 80 PLUS® Titanium efficiency and a virtually inaudible frameless fan concept for flawless cooling. ● 80 PLUS Titanium efficiency (up to 95.6%) ● Patented frameless Silent Wings fan for virtually inaudible operation ● Revolutionary full mesh PSU front with redesigned funnel shape air inlet upholds the high air circulation abilities ● Overclocking key switches between four 12V rails and one massive 12V rail ● Modular cable management for highest convenience ● Active Rectifier + full bridge LLC technology provides unmatched signal stability and extremely high…

SpecPicks Verdict

SpecPicks scored be quiet! Dark Power 12 850W using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. be quiet!'s power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

80 PLUS Titanium efficiency (up to 95.6%)
Patented frameless Silent Wings fan for virtually inaudible operation
Revolutionary full mesh PSU front with redesigned funnel shape air inlet upholds the high air circulation abilities
Overclocking key switches between four 12V rails and one massive 12V rail
Modular cable management for highest convenience

Full Specifications

Brand	be quiet!
Wattage	850 watts
Model Name	BN657
Unit Count	1 Count
Form Factor	ATX
Model Number	BN657
Connector Type	atx,pci express
Cooling Method	Air
Number of Fans	1
Output Wattage	850 watts
Item Dimensions	13.75 x 10.75 x 4.75 inches
Mfr Part Number	BN657
Number of Items	1
Compatible Devices	Personal Computer
Connector Quantity	9
Power Supply Design	Internal
Warranty Description	1 year
Maximum Input Voltage	240 volts
Item dimensions L x W x H	13.75 x 10.75 x 4.75 inches
System Bus Connector Type	20+4 Pin
Full listing title	be quiet! Dark Power 12 850W, 80 Plus Titanium Efficiency, Power Supply, ATX, Modular, virtually inaudible Silent Wings Fan

Ready to buy?

Amazon shows no buyable offer for be quiet! Dark Power 12 850W at the last check. A similar in-stock product is be quiet! Dark Power 13 850W. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $179.90