be quiet! BN517 Straight Power 12-1200w 80 Plus Platinum, ATX 3.0, Modular Power Supply, for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors, Silent 135mm be quiet! Fan - BN517
be quiet!

be quiet! BN517 Straight Power 12-1200w 80 Plus Platinum, ATX 3.0, Modular Power Supply, for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors, Silent 135mm be quiet! Fan - BN517

$119.90 ★★★★½4.7(1,157 reviews)

*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.

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! BN517 Straight Power 12-1200w 80 Plus Platinum, ATX 3.0… as a category leader on buyer feedback in the power supplies category, based on 1,157 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 (1,157 reviews)
  • ✓ 80 PLUS Platinum efficiency (up to 93.8%)
  • ✓ 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

  • 80 PLUS Platinum efficiency (up to 93.8%)
  • 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 Specifications

Brandbe quiet!
Wattage12 watts
Model NameBN517
Unit Count1.0 Count
Form FactorATX
Model NumberBN517
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Wattage1200
Item Dimensions7.09 x 5.91 x 3.39 inches
Mfr Part NumberBN517
Compatible DevicesDesktop
Power Supply DesignFull Modular

Ready to buy?

be quiet! BN517 Straight Power 12-1200w 80 Plus Platinum, ATX 3.0, Modular Power Supply, for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors, Silent 135mm be quiet! Fan - BN517 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.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.

Related Power Supplies

be quiet! BN517 Straight Power 12-1200w 80 Plus Platinum, ATX 3.0, Modular Power Supply, for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors, Silent 135mm be quiet! Fan - BN517
$119.90
4.7★ (1,157)
View on Amazon →