be quiet! Pure Power 12 550W Power Supply | 80 Plus Gold | ATX 3.1 | PCIe 5.1 GPU Support | Quiet PSU | 12V Rail
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
be quiet! Pure Power12 550W Power Supply, 80 Plus Gold Efficiency, ATX 3.1 with Full PCIe 5.1 GPU Support, Extremely Quiet 120mm be quiet! Fan, LLC technology
SpecPicks Verdict
SpecPicks classifies be quiet! Pure Power 12 550W Power Supply | 80 Plus Gold | ATX 3.1 |… as a category leader on buyer feedback in the power supplies category, based on 36 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 — 4.7★ average across customer reviews
- ✓ German Design I German Engineering I German Quality I German Performance
- ✓ 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
- High Efficiency and Quiet Operation: Pure Power 12 550W offers up to 92.9% efficiency, lowering power consumption, costs, and noise—ideal for quiet systems and gaming PCs.
- Future-Proof Compatibility: As an ATX 3.1 PSU, it supports both next-gen PCIe 5.1 (12V-2x6) and current-gen GPUs with 3 PCIe 6+2-pin connectors, making it versatile for powerful, upgradable systems.
- Reliable Power Delivery: With a robust single 12V rail, it can handle power surges up to double its rating, ensuring stable performance for next-gen processors and GPUs.
- Optimized Design and Cooling: Features a temperature-controlled 120mm fan with airflow-optimized blades for quiet cooling, high-quality black sleeved cables, and flat cables to enhance airflow and installation simplicity.
- German Design I German Engineering I German Quality I German Performance
Full Specifications
| Brand | be quiet! |
|---|---|
| Wattage | 550 watts |
| Model Name | Pure Power 12 |
| Unit Count | 1.0 Count |
| Form Factor | ATX |
| Model Number | BP001US |
| Connector Type | ATX, PCIe |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 550 Watts |
| Item Dimensions | 6.3 x 5.91 x 3.39 inches |
| Mfr Part Number | BP001EU |
| Compatible Devices | Computer System, Motherboard (ATX 3.1), Graphics Card (PCIe 5.1) |
| Connector Quantity | 4 |
Ready to buy?
be quiet! Pure Power 12 550W Power Supply | 80 Plus Gold | ATX 3.1 | PCIe 5.1 GPU Support | Quiet PSU | 12V Rail 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 2026-05-12. Price and availability subject to change.