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
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The 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 a niche pick — read recent reviews before buying in the power supplies category, priced around $229.90. Read recent reviews carefully before committing.
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 niche pick — read recent reviews before buying in the power supplies category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. be quiet!'s positioning sits within the broader category mid-tier. 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
- ✓ 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
| Brand | be quiet! |
|---|---|
| Wattage | 12 watts |
| Model Name | BN517 |
| Unit Count | 1.0 Count |
| Form Factor | ATX |
| Model Number | BN517 |
| Connector Type | ATX |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 1200 |
| Item Dimensions | 7.09 x 5.91 x 3.39 inches |
| Mfr Part Number | BN517 |
| Compatible Devices | Desktop |
| Power Supply Design | Full 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.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Related Power Supplies
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- How to Build a Windows 98 Retro PC in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best 1440p Gaming GPUs in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
More reviews from the SpecPicks archive
Browse all reviews →- Why Local RAG Beats Cloud Agents at Follow-Up Questions on an RTX 3060
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- Jetson Orin Nano Super for ROS 2 Robotics: Build Guide + Real Latency Numbers
- Best CPU Cooler for Ryzen 7 9800X3D in 2026
- Best Gaming Desk Setup Essentials in 2026: 5 Picks
- Voodoo3 3000 PCI No-Display Troubleshooting on Windows 98 SE (2026)
- $100 CPU Shootout: Ryzen 5 5500 vs Core i3-14100F vs i3-12100F
- SANSUI 27" 4K vs KOORUI 27" QD-Mini LED for PS5 & 4K Gaming in 2026
- Turn a Raspberry Pi Pico W Into a Driverless USB WiFi Adapter
- Save $550 on iBuyPower RTX 5070 + 7800X3D 4K Gaming PC
- Ollama vs LM Studio MLX in 2026: Which Local Runner Wins?
- How to run DeepSeek-R1 32B on Apple M4 Pro
- Self-Hosting Immich on a Raspberry Pi 4 8GB: Power and Performance
- Best GPU for Local LLMs Under $300: Why the RTX 3060 12GB Still Wins
- AMD Challenges Nvidia DGX Spark with $3,999 Ryzen AI Halo
- AI-Driven Win9x Driver Install: How Vision-LLMs Tame Vintage Installers (2026)
- Best SSD for PS4 Pro: SATA Upgrades That Actually Help
- Best Controller for Fighting Games on PC in 2026: HORI HORIPAD vs 8BitDo Pro 2 vs DualSense
- Intel Arc Pro B70 vs RTX 3060 12GB for Local LLMs
- Raspberry Pi 4 8GB in 2026: Still the Right Pick for Retro Emulation and Home Servers?
- Imaging a 90s IDE Hard Drive with a SATA/IDE-to-USB Adapter: The Retro-PC Data-Rescue Workflow
- Best Budget AM4 Build for Local LLM Inference in 2026
- Best Sim Racing Wheel Setup 2026: G920 vs HORI vs TH8A
- RetroPie Handheld Case Comparison 2025: Top Picks