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be quiet! Pure Power 13 M 850W, ATX 3.1, Fully Modular PSU, 80+ Gold

Name: be quiet! Pure Power 13 M 850W, ATX 3.1, Fully Modular PSU, 80+ Gold
Brand: be quiet!
SKU: B0BVY62M5F

Status: be quiet! Pure Power 13 M 850W: Unavailable on Amazon as of 2026-10-05 16:21 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! Pure Power 13 M 850W: 80 Plus Gold certified, up to 93% efficiency cuts heat and energy waste; main trade-off: single 12V-2x6 connector limits high-draw multi-GPU builds.

Unavailable on Amazon as of 2026-10-05 16:21 UTC

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

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: NZXT C850 Gold ATX 3.1-850W Fully Modular Power… — $119.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

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Similar: Redragon RGMS-850W PRO 80+ Gold 850 Watt Power… — $65.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-05

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 Gold certified, up to 93% efficiency cuts heat and energy waste
✓ ATX 3.1 with native 12V-2x6 600W connector ready for next-gen GPUs
✓ Handles transient power spikes up to 2000W for stable heavy loads
✓ 10-year warranty and dual 12V rails back long-term reliability
✓ Fully modular cabling plus temperature-controlled 120mm be quiet! fan

Cons

✗ Single 12V-2x6 connector limits high-draw multi-GPU builds
✗ 850W leaves little headroom for an overclocked RTX 4090/5090 rig
✗ Dual 12V rail design can trip OCP on big single-rail loads
✗ Near-silent, not truly silent, once pushed near full 850W load

SpecPicks Verdict

SpecPicks scored be quiet! Pure Power 13 M 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 GOLD CERTIFIED Pure Power 13 M 850W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 94.4%. The most compelling benefit: lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Pure Power 13 M 850W is always the correct choice for quiet systems and gaming PCs!
FUTURE-PROOF YOUR SYSTEM Pure Power 13 M 850W is an ATX 3.1 PSU and comes with both native integration of the 12V-2x6 connector for next-generation PCIe 5.1 graphics cards, and 4 PCIe 6+2-pin connectors for support of current-gen GPUs. This makes the PSU extremely versatile and the perfect choice for powerful systems of today and the ones to come
THE NEW STANDARD OF POWER Pure Power 13 M offers 850W of continuous power with one massive 12V rail. Even if the graphics card demands excessive power for a short time: Pure Power 13 M 850W handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.
SEMI-PASSIVE ZERO-RPM COOLING While under low load, the fan turns off completely until its services are needed again for more demanding operations. This feature, combined with the reliable be quiet! fan and its airflow-optimized fan blades, make Pure Power 13 M 850W exceptionally silent in all load scenarios
HIGH-CLASS TECHNOLOGIES With its LLC topology Pure Power 13 M 850W provides best-in-class voltage regulation and efficiency. That makes it perfect for building very quiet systems or upgrading gaming and media creation PCs

Full Specifications

Brand	be quiet!
Wattage	850 watts
Model Name	BP027US
Unit Count	1 Count
Form Factor	ATX
Model Number	BP027US
Connector Type	ATX
Cooling Method	Air
Number of Fans	1
Output Wattage	850 watts
Item Dimensions	6.3 x 5.91 x 3.39 inches
Number of Items	1
Compatible Devices	PC
Power Supply Design	Full Modular
Maximum Input Voltage	120 volts_of_alternating_current
Minimum Input Voltage	100 volts_of_alternating_current
Item dimensions L x W x H	6.3 x 5.91 x 3.39 inches
System Bus Connector Type	ATX
Connector Type Used on Cable	ATX

Ready to buy?

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

View Similar — $99.90