be quiet! BN337 850W Power Supply
£131.99 inc VAT
In stock
In stock
More Ways to Pay
-
Buy now, pay later with Klarna
-
Pay in 3 interest-free payments with PayPal
About This Item
- 850W ATX 3.1 power supply with 80 PLUS Platinum efficiency
- Active cooling with 13.5 cm fan, 0-2100 RPM, FDB bearing
- Fully-modular cables for clean builds and improved airflow
- Supports ATX, micro ATX, and Mini-ATX motherboards
- Comprehensive protection: over current, power, voltage, overheating, short circuit, under voltage
Payment Methods:
You may also like
be quiet! BN337 | 850W ATX 3.1 Platinum PSU
The be quiet! BN337 delivers 850W of continuous power with 80 PLUS Platinum efficiency, making it a reliable choice for high-performance gaming and workstation PCs. Designed for ATX 3.1 compatibility, it supports next-gen GPUs and processors with stable, clean power delivery.
Key Specs
| Metric | Spec |
|---|---|
| Power Output | 850W |
| Efficiency | 80 PLUS Platinum |
| ATX Version | 3.1 |
| Cooling | 135mm Silent Wings fan |
| Warranty | 10 years |
Future-Proof ATX 3.1 Design
Built to the latest ATX 3.1 standard, the BN337 ensures full compatibility with next-generation components. It features native 12V-2×6 connectors for PCIe 5.1 graphics cards while retaining four 6+2-pin PCIe connectors for current GPUs. This versatility makes it ideal for both today’s high-end systems and tomorrow’s upgrades.
Near-Silent Operation
The 135mm Silent Wings fan with fluid-dynamic bearing delivers exceptional airflow while maintaining virtually inaudible operation. With a noise level of just 22.1 dB and fan speeds ranging from 0-2100 RPM, it provides efficient cooling without the distraction of fan noise during light loads.
Premium Component Quality
Japanese 105°C capacitors throughout ensure long-term stability and reliability. The full-bridge LLC topology delivers clean, stable power with minimal ripple noise, while comprehensive protection features guard against over-current, over-voltage, short circuits, and overheating.
Modular Cable Management
Fully modular cabling eliminates clutter and improves airflow within your case. With cables up to 100cm in length, installation is straightforward even in larger chassis. The included cable ties help maintain a tidy build.
Box Contents
- be quiet! BN337 power supply unit
- CPU power cable
- SATA power cables
- Modular cables
- Cable ties
- User manual
Check before you buy
- Confirm your case has sufficient space (150 x 160 x 86 mm)
- Verify your GPU requires no more than 850W total system power
- Check you need the included cable types for your components
- Ensure your motherboard uses standard ATX, micro-ATX, or Mini-ATX form factors
Frequently Asked Questions
Q: Is this PSU compatible with PCIe 5.0 graphics cards?
A: Yes, it features native 12V-2×6 connectors for PCIe 5.1 cards and supports current PCIe 5.0 GPUs.
Q: What efficiency rating does the BN337 achieve?
A: It’s 80 PLUS Platinum certified with up to 92.3% efficiency under typical loads.
Q: How many SATA devices can I connect?
A: The PSU includes nine SATA power connectors for multiple storage drives and peripherals.
Q: What’s the warranty period?
A: The BN337 comes with a 10-year manufacturer warranty covering defects.
Q: Is the fan always running?
A: No, the fan features zero-RPM mode at low loads for completely silent operation.
The Consultant’s verdict & warranty
The be quiet! BN337 represents excellent value for users building high-performance systems who prioritise quiet operation and future compatibility. Its ATX 3.1 compliance, premium components, and 10-year warranty make it a sound long-term investment. Covered by the standard Manufacturer Warranty.
Reviews
Clear filtersThere are no reviews yet.