be quiet! DARK POWER 14 850W PSU, 80 PLUS, Cybenetics, ATX 3.1, PCIe 5.1

be quiet! Dark Power 14 850W 80+ Titanium Modular Power Supply

The be quiet! Dark Power 14 850W is a high-performance ATX 3.1 PSU designed for silent, efficient, and reliable power delivery. Featuring 80 PLUS Titanium and Cybenetics Titanium efficiency, it supports PCIe 5.1 GPUs, advanced overclocking, and comes with fully modular, sleeved cables for a clean, high-end build. Its active and semi-passive cooling modes, high-quality Japanese capacitors, and state-of-the-art technology make it ideal for gamers, enthusiasts, and workstation builds.

Key Features
• 80 PLUS Titanium efficiency (up to 95.6%)
• ATX 3.1 PSU supporting PCIe 5.1 GPUs and GPUs with 6+2-pin connectors
• Active and semi-passive cooling with a push-button switch
• Silent Wings 135 mm fan integrated into large heat sink
• Overclocking key for multi-rail or single-rail operation
• Full bridge + LLC + Synchronous Rectifier technology for high efficiency and stability
• Premium Japanese 105°C capacitors
• Fully modular, sleeved cables up to 120 cm
• 10-year manufacturer warranty

Full Specification

Model:
Dark Power 14 850W

Output Power:
Continuous: 850 W
Peak: 950 W

Efficiency:
80 PLUS Titanium (up to 95.6%)
Efficiency at 2% load: 71.4%
Efficiency at 10% load: 91.5%
Efficiency at 20% load: 94.4%
Efficiency at 50% load: 95.6%
Efficiency at 100% load: 93.8%

Voltage Rails:
Multi-rail 12V (4 rails)
Overclocking key: Yes

ATX Form Factor:
ATX 3.1

Connectors:
• 1 x 20+4-pin ATX motherboard
• 1 x 4+4-pin CPU
• 1 x 8-pin CPU
• 1 x 12V-2x6 cables
• 4 x PCIe 6+2-pin
• 13 x SATA
• 2 x PATA
• Floppy: No

Fan:
135 mm Silent Wings
6-pole fan motor, fluid-dynamic bearing
Max. speed: 2100 rpm
Noise at 100% load: 16 dB(A)

Protection Features:
OTP, OCP, OPP, OVP, UVP, SIP

Input:
100–240 V AC, 50–60 Hz
Input current: 10/5 A
Power factor: >0.98

Dimensions & Weight:
175 x 150 x 86 mm
Weight: 2.2 kg

Modular Cables:
Fully modular, sleeved, flat cables
Max cable length: 105 cm
Motherboard cable length: 60 cm

Warranty:
10 years

Fast UK Shipping

We offer quick order processing within 1–2 working days across the UK. Order before 3:00 PM GMT/BST on weekdays for same-day processing.

Once the order is processed, the following options indicate respective delivery times.

Delivery Options:

• Basic: Free | 2–5 business days
• Standard: Free over £100 / £4.99 under £100 | 2–3 business days
• Express: £4.99 | 1–2 business days
• Premium Next-Day: £7.99 | Next business day.

Note: Delivery times are estimated and may vary due to courier delays or weather.

Hassle-Free Returns

Changed your mind? You can return unused items in original packaging within 14 days of delivery.

To request a return, email contact@lazymart.co.uk. We’ll provide instructions on how to proceed with a return. Refunds are processed within 5 business days after inspection.

Damaged or Incorrect Orders

If your item arrives damaged or incorrect, contact us within 24 hours with photos for a quick resolution.

Shipping & Returns Policies

For more details, view our Shipping Policy and Return Policy.

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