be quiet!
be quiet! Pure Power 12 850W PSU | 80 Plus Gold | ATX 3.1 | PCIe 5.1 GPU Support Power Supply | Silent 120mm Fan | High Performance 12V-Rail | Black | BP004US | 10 Year Warranty
*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies be quiet! Pure Power 12 850W PSU | 80 Plus Gold | ATX 3.1 | PCIe 5.1… as a category leader on buyer feedback in the power supplies category, based on 16 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. be quiet!'s positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.8★ average across customer reviews
- ✓ Backed by be quiet!'s warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Pure Power 12 850W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 92.7% . The most compelling benefit: lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Pure Power 12 850W is always the correct choice for quiet systems and gaming PCs!
- Pure Power 12 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 3 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.
- Pure Power 12 offers 850W of continuous power with one massive 12V rail. Even if the graphics card demands excessive power for a short time: Pure Power 12 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.
- The exceptionally silent 120mm be quiet! fan is temperature-controlled to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class quiet functionality.
- With its LLC topology Pure Power 12 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 | BP004US |
| Form Factor | ATX |
| Model Number | BP004US |
| Connector Type | ATX |
| Output Wattage | 850 Watts |
| Item Dimensions | 5.12 x 7.87 x 12.6 inches |
| Mfr Part Number | BP004US |
| Number of Items | 1 |
| Compatible Devices | PC |
| Power Supply Design | Non-Modular |
| Item dimensions L x W x H | 5.12 x 7.87 x 12.6 inches |
| System Bus Connector Type | ATX |
Ready to buy?
be quiet! Pure Power 12 850W PSU | 80 Plus Gold | ATX 3.1 | PCIe 5.1 GPU Support Power Supply | Silent 120mm Fan | High Performance 12V-Rail | Black | BP004US | 10 Year Warranty is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.
Related Power Supplies
