be quiet!

be Quiet! Dark Power Pro 11 / 850W, BN253

Name: be Quiet! Dark Power Pro 11 / 850W, BN253
Brand: be quiet!
SKU: B00X7VF6DU

Status: be Quiet! Dark Power Pro 11 / 850W: Unavailable on Amazon as of 2026-10-21 16:20 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 Pro 11 / 850W: 80PLUS Platinum certified, up to 94% conversion efficiency; main trade-off: platform dates to the Dark Power Pro 11 generation, not current ATX 3.x.

Unavailable on Amazon as of 2026-10-21 16:20 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

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

✓ 80PLUS Platinum certified, up to 94% conversion efficiency
✓ SilentWings 3 135mm fan keeps operation near-inaudible
✓ 850W headroom suits high-end single- or dual-GPU builds

Cons

✗ Platform dates to the Dark Power Pro 11 generation, not current ATX 3.x
✗ No native 12VHPWR/12V-2x6 connector for RTX 40/50-series cards
✗ Listing copy describes the 1200W model, so 850W specifics need verifying
✗ Dark Power Pro chassis is deeper than budget units and can crowd small cases

Manufacturer description

The Dark Power Pro 11 1200W model takes that a step further with a power conversion topology that delivers 80PLUS Platinum performance, add to that an unparalleled array of enhancements that augment this unit’s compatibility, convenience of use, reliability, and safety, and the result is the most technologically-advanced power supply be quiet! has ever built. • 80PLUS Platinum certification and up to 94% power conversion efficiency • Virtually inaudible operation thanks to a broad array of optimizations, including the use of a be quiet! SilentWings 3 135mm fan • SilentWings 3 fan features an…

SpecPicks Verdict

SpecPicks scored be Quiet! Dark Power Pro 11 / 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.

Full Specifications

Brand	be quiet!
Wattage	950 watts
Fan Size	135 Millimeters
Model Number	BN253
Connector Type	ATX
Cooling Method	Air
Output Wattage	850 Watts
Item Dimensions	23.62 x 9.84 x 9.84 inches
Mfr Part Number	BN253
Compatible Devices	Personal Computer
Item dimensions L x W x H	23.62 x 9.84 x 9.84 inches
Connector Type Used on Cable	ATX
Global Trade Identification Number	04260052183786

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