# be quiet! Pure Power 13 M 850W

- Source: https://stierproducts.com/products/be-quiet-pure-power-13-m-850w
- Category board: https://stierproducts.com/categories/power-supplies
- Placement: #3 of 17 in Power Supplies, A tier
- Brand: be quiet!
- LP on this board: 665
- Last researched: 2026-09-13T01:34:59.956Z
- Method: https://stierproducts.com/methodology
- Dataset: https://doi.org/10.5281/zenodo.22062813 - every board at once, one dated snapshot per release, same licence, prices and photographs left out
- Reuse: Text, rankings, tier assignments, LP values and verdicts are free to quote and reuse with attribution to stierproducts and a link to the source URL (CC BY 4.0: https://creativecommons.org/licenses/by/4.0/). Product photographs are not covered: they belong to their respective owners and are reproduced to illustrate the product being reviewed. Do not redistribute them under this licence.

## Verdict

reliable, quiet, long warranty

## For

- reliable performance
- low noise
- 10-year warranty
- Tom's Hardware's number one PSU line of 2026
- Praised for efficiency, acoustics, and value

## Evidence

Consolidated from 18 cited sources across 15 outlets

| Outlet | Said by | Stance | Link | Link status |
| --- | --- | --- | --- | --- |
| r/buildapc | u/Ben_Nevi | C | https://www.reddit.com/r/buildapc/comments/1tsgiha/be_quiet_pure_power_13_m/ | fetched and confirmed |
| KitGuru | Allan 'Zardon' Campbell | B | https://www.kitguru.net/components/power-supplies/zardon/be-quiet-pure-power-13-m-1200w-review-2026/ | fetched and confirmed |
| PC Perspective | pcper.com | B | https://pcper.com/2026/02/be-quiet-pure-power-13-m-1200w-of-affordable-power/ | fetched and confirmed |
| Club386 | Ben Hardwidge | B | https://www.club386.com/best-psu/ | fetched and confirmed |
| Techpowerup | techpowerup.com | B | https://www.techpowerup.com/forums/threads/power-supply-purchase-advice.348747/ | fetched and confirmed |
| Nicolas11x12 English | Nicolas11x12 English | C | https://www.youtube.com/watch?v=grHse8cWt94 | fetched and confirmed |
| r/bequietofficial | u/Fine-Marketing-8134 | D | https://www.reddit.com/r/bequietofficial/comments/1px61zs/brand_new_purepower_13m_850w_connector_burnt_with/ | fetched and confirmed |
| KitGuru | Allan 'Zardon' Campbell | C | https://www.kitguru.net/components/power-supplies/zardon/be-quiet-pure-power-13-m-1200w-review-2026/all/1/ | fetched and confirmed |
| r/buildapc | u/Cumoisseur | D | https://www.reddit.com/r/buildapc/comments/1uzu4a9/i_read_a_review_from_hardware_busters_on_the_be/ | fetched and confirmed |
| r/buildapcsales | u/Hawk7117 | B | https://www.reddit.com/r/buildapcsales/comments/1s6bpuz/psu_be_quiet_pure_power_13m_850w_power_supply_95/ | fetched and confirmed |
| Tech for Techs | Tech for Techs | B | https://www.youtube.com/watch?v=ijJW5tv3YSU | fetched and confirmed |
| Tobis Hardware Corner | Tobis Hardware Corner | B | https://www.youtube.com/watch?v=PnDKni0wQ0E | fetched and confirmed |
| www.guru3d.com | Hilbert Hagedoorn | S | https://www.guru3d.com/review/be-quiet-pure-power-13-m-1200-power-supply-review/ | fetched and confirmed |
| Tom's Hardware | tomshardware.com | C | https://www.tomshardware.com/pc-components/power-supplies/be-quiet-pure-power-13-m-1200w-supply-review-platinum-level-efficiency-premium-pricing | fetched and confirmed |
| Ofzenandcomputing | ofzenandcomputing.com | B | https://www.ofzenandcomputing.com/best-850w-power-supplies-for-gaming-pcs/ | fetched and confirmed |
| Club386 | Krzysztof Hukalowicz | B | https://www.club386.com/be-quiet-pure-power-13-m-850w-review/ | fetched and confirmed |
| Hardware Busters | hwbusters.com | A | https://hwbusters.com/psus/be-quiet-dark-power-14-850w-atx-v3-1-psu-review/ | fetched and confirmed |
| GearQuarters | Oluremi Olaoye | B | https://gearquarters.com/how-to-choose-the-right-power-supply-for-pc/ | fetched and confirmed |

## Nearest alternatives on this board

| Rank | Product | Tier | Page |
| --- | --- | --- | --- |
| 1 | be quiet! Dark Power 14 1000W | S | https://stierproducts.com/products/be-quiet-dark-power-14-1000w |
| 2 | Seasonic Prime TX-1600 Noctua Edition | A | https://stierproducts.com/products/seasonic-prime-tx-1600-noctua-edition |
| 4 | Corsair RM750e | B | https://stierproducts.com/products/corsair-rm750e |
| 5 | be quiet! Pure Power 13 M 1000W | B | https://stierproducts.com/products/be-quiet-pure-power-13-m-1000w |
| 6 | Corsair RM850e | B | https://stierproducts.com/products/corsair-rm850e |
| 7 | Seasonic Focus GX-850 | B | https://stierproducts.com/products/seasonic-focus-gx-850 |
| 8 | Super Flower Leadex V Platinum Pro 1000W | B | https://stierproducts.com/products/super-flower-leadex-v-platinum-pro-1000w |
| 15 | Corsair CV650 | F | https://stierproducts.com/products/corsair-cv650 |
| 16 | Gigabyte GP-P750GM | F | https://stierproducts.com/products/gigabyte-gp-p750gm |
| 17 | Thermaltake Smart 700W | F | https://stierproducts.com/products/thermaltake-smart-700w |

The full board is at https://stierproducts.com/categories/power-supplies.

## What this tier means

- A: Excellent. Strongly recommended, beaten only by the very best.

## How to read this

- Each category is researched in four independent runs, one per lens (expert consensus, value, reliability, community pulse). Every run ranks a board of candidates that deliberately includes products buyers cross-shop but should avoid. Placements score on a ranked ladder (LP), and tiers are derived from LP, so no tier is ever assigned by hand.
- LP is this product's points on its own category ladder. It is comparable within a category and not across categories.
- Link status reports what our pre-publication link check found when it fetched the cited URL. It says nothing about the quality of the review.
- A citation with no usable link is listed rather than dropped, and is excluded from the counted total above.

## Image

https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/be-quiet-pure-power-13-m-850w.webp

Product photographs are not covered: they belong to their respective owners and are reproduced to illustrate the product being reviewed. Do not redistribute them under this licence.