be quiet! Dark Power 14 850W PSU
£170.23 inc VAT
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About This Item
- 850 W continuous output power with 950 W peak capacity
- 80 PLUS Titanium certified for up to 93.8% efficiency
- 13.5 cm FDB bearing fan with 0-2100 RPM speed control
- Fully modular ATX 3.1 power supply with 4 +12V rails
- Comprehensive protection: OVP, OCP, OTP, OPP, SCP, SIP, UVP
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be quiet! Dark Power 14 850W | High-Performance Titanium PSU
The be quiet! Dark Power 14 850W is a premium 850W power supply unit designed for high-end PC builds demanding exceptional efficiency and silent operation. Featuring 80 PLUS Titanium certification and a fully modular design, it delivers clean, stable power while maintaining near-silent performance under typical loads.
Key Specifications
| Metric | Spec |
|---|---|
| Power Output | 850W |
| Efficiency | 93.8% (80 PLUS Titanium) |
| Fan | 135mm, FDB bearing, 0-2100 RPM |
| Form Factor | ATX |
| Noise Level | 16 dB |
Near-Silent Operation with Advanced Cooling
The Dark Power 14 850W employs a sophisticated cooling system that can operate in both active and semi-passive modes. The 135mm Fluid Dynamic Bearing (FDB) fan automatically adjusts between 0-2100 RPM based on thermal load, achieving whisper-quiet operation at just 16 dB when cooling demands are low. This makes it ideal for noise-sensitive environments like home offices or media centres.
Exceptional Efficiency and Power Delivery
With 80 PLUS Titanium certification, this PSU achieves up to 93.8% efficiency across all loads, significantly reducing wasted energy and heat generation. The 850W unit provides a combined +12V capacity of 850W across four independent rails, ensuring stable power delivery even under demanding gaming or content creation workloads. The 950W peak power capability offers headroom for brief power spikes.
Comprehensive Protection and Reliability
Built with professional-grade components, the Dark Power 14 includes extensive protection features: over current, over voltage, overheating, overload, short circuit, surge & inrush protection, and under voltage protection. With a Mean Time Between Failures (MTBF) rating of 100,000 hours and compliance with UKCA, TÜV, and FCC standards, this PSU offers exceptional long-term reliability for critical systems.
Box Contents
- be quiet! Dark Power 14 850W PSU
- Modular cables
- Mounting screws
- Cable ties
- User manual (10 languages)
Check before you buy
- Confirm your PC case has sufficient space (150mm x 175mm x 86mm)
- Verify your system’s total power requirements don’t exceed 850W continuous
- Check that your motherboard uses a 20+4 pin ATX connector
- Ensure your GPU requires no more than four 6+2 pin PCIe connectors
Frequently Asked Questions
Q: Is this PSU compatible with ATX 3.0 motherboards?
A: Yes, it supports ATX 3.1 and EPS 2.92 standards for modern system compatibility.
Q: Can the fan be completely turned off?
A: Yes, the semi-passive mode allows fan-free operation under light loads.
Q: How many PCIe connectors does it include?
A: It includes four 6+2 pin PCIe connectors plus one 12-pin connector.
Q: What warranty coverage does it have?
A: It’s covered by the standard manufacturer warranty.
Q: Is the power supply fully modular?
A: Yes, all cables can be detached for improved cable management.
The Consultant’s Verdict & Warranty
The be quiet! Dark Power 14 850W represents an excellent choice for enthusiasts and professionals building high-performance systems where silence and efficiency are priorities. Its Titanium efficiency rating, comprehensive protection features, and near-silent operation make it particularly suitable for gaming rigs, workstations, and HTPCs. Covered by the standard manufacturer warranty, this PSU delivers the reliability and performance expected from a premium German-engineered component.
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