be quiet!
be quiet! Straight Power 12-1500w Modular Power Supply | 80 Plus Platinum ATX 3.1 Compliant | for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors | Silent 135mm Fan | BN518
*Price sourced from Amazon.com. Last updated 2026-05-27. Price and availability subject to change.
Bottom line: The be quiet! Straight Power 12-1500w Modular Power Supply | 80 Plus Platinum ATX 3.1 Compliant | for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors | Silent 135mm Fan | BN518 is a category leader on buyer feedback in the power supplies category, priced around $269.34, rated 4.7★ across 1,156 verified Amazon reviews. A confident buy for most shoppers in this category.
80 PLUS Platinum efficiency (up to 93,9%) , ATX 3.0 PSU with full support for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors , Handles massive power excursions , Virtually inaudible Silent Wings 135mm fan , Funnel-shaped fan opening on PSU case for high airflow intake, Full bridge LLC technology for unmatched signal stability , One massive high-performance 12V-rail , Japanese 105°C capacitors ensure highest stability and reliability , Modular cable management for maximum convenience , 10-year manufacturer’s warranty
SpecPicks Verdict
SpecPicks classifies be quiet! Straight Power 12-1500w Modular Power Supply | 80 Plus… as a category leader on buyer feedback in the power supplies category, based on 1,156 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
- ✓ Large, well-vetted feedback pool (1,156 reviews)
- ✓ Backed by be quiet!'s warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ 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
- Straight Power 12 1500W is certified with 80 PLUS Platinum and an energy efficiency rating of up to 93.9%. This provides lots of benefits for your high-end system, including less power consumption and an overall cooler and quieter operation. The standby drain is below 0.1 watts.
- Straight Power 12 1500W is an ATX 3.0 PSU and comes with both native integration of the 12VHPWR connector for next-generation PCIe 5.0 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.
- Straight Power 12 offers 1500W of continuous power with one massive 12V rail. Even if the graphics card demands excessive power for a short time: Straight Power 12 1500W 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 high-end Silent Wings fan delivers best-of-class airflow yet produces very little noise. This is thanks to its unique, optimized fan blade design along with an advanced fluid-dynamic bearing and 6-pole fan motor that largely eliminates operational noise, has a super-long life and minimal power consumption.
- The funnel-shaped fan inlet of the Straight Power 12 1500W increases airflow while reducing unwanted turbulence for a higher cooling performance. The wire-free design inside allows the cool air to reach all components which ultimately leads to a longer lifespan.
Full Specifications
| Brand | be quiet! |
|---|---|
| Wattage | 750 watts |
| Fan Size | 135 Millimeters |
| Model Name | BN518 |
| Unit Count | 1.0 Count |
| Form Factor | ATX 3.0 |
| Model Number | BN518 |
| Connector Type | PCI Express |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 750 Watts |
| Item Dimensions | 7.09 x 5.91 x 3.39 inches |
| Mfr Part Number | BN518 |
| Compatible Devices | Desktop, Gaming Desktop |
Ready to buy?
be quiet! Straight Power 12-1500w Modular Power Supply | 80 Plus Platinum ATX 3.1 Compliant | for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors | Silent 135mm Fan | BN518 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 2026-05-27. Price and availability subject to change.
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