be quiet! DARK POWER 14 1200W Power Supply

£215.48

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SKU: BP021UK Category:
Description

EXCEPTIONAL QUIET, SUPERIOR FEATURES

be quiet! DARK POWER 14 1200W Power Supply

Dark Power 14 1200W is ATX 3.1 compliant and PCIe 5.1 compatible and offers peerless dependability with best-in-class features. With a PCIe 5.1 cable and PCIe 6+2 cables included in the scope of delivery, it delivers remarkable convenience and outstanding compatibility.

80 PLUS® Titanium (up to 95.42%) ATX 3.1 • PCIe 5.1 Compatible 12V-2×6 450W + 2× PCIe 6+2 10-Year Manufacturer’s Warranty

Core Highlights

  • 1200W continuous power with one massive high-performance 12V-rail
  • One PCIe 5.1 12V-2×6 450W and 2 PCIe 6+2 connectors for high-end GPUs
  • 80 PLUS® Titanium efficiency (up to 95.42%)
  • Advanced stability and voltage regulation thanks to LLC technology

80 PLUS® Titanium Certified

Dark Power 14 1200W is certified 80 PLUS® Titanium with an outstanding efficiency rating of up to 95.42%. The most compelling benefit is lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Dark Power 14 1200W is always the correct choice for quiet systems and gaming PCs.

80 PLUS® Titanium
Up to 95.42% Efficiency
Lower Power Consumption

Future-Proof Your System

Dark Power 14 1200W fulfills all ATX 3.1 specifications and comes with native integration of the 12V-2×6 connector for next-generation PCIe 5.1 graphics cards, and 2 PCIe 6+2-pin connectors for support of current-gen GPUs. This makes the PSU extremely versatile and the perfect choice for powerful systems of today and the ones to come.

ATX 3.1 Compliant
PCIe 5.1 Compatible
12V-2×6 450W

The New Standard of Power

Dark Power 14 1200W offers 1200W of continuous power with one massive 12V rail. Even if the graphics card demands excessive power for a short time, Dark Power 14 1200W handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.

1200W Continuous Power
Handles 2× Power Excursions
Massive 12V Rail

Exceptionally Silent Operation

The exceptionally silent 120mm be quiet! Silent Wings fan is temperature-controlled to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class quiet functionality.

120mm be quiet! Silent Wings Fan
Temperature-Controlled
Airflow-Optimized Blades

High-Class Technologies

With its LLC topology and Active Rectifier, Dark Power 14 1200W provides best-in-class voltage regulation and efficiency. That makes it perfect for building very quiet systems or upgrading gaming and media creation PCs, delivering rock-solid stability.

LLC Topology
Active Rectifier
Rock-Solid Stability

High-Quality Cables

Dark Power 14 1200W is certainly an eye-catcher. Motherboard and 12V-2×6 cables are finished with high quality black sleeves. The remaining premium black flat cables simplify installation and keep the system tidy. This results in increased airflow and improved cooling.

High Quality Black Sleeves
Premium Black Flat Cables
Increased Airflow
Additional information
Power1200 W
General Specifications
Article Number
BP021UK
Average Lifetime
>100,000 h
Digitally Controlled
Yes
EAN
4260052194201
EPS Standard
Version 2.92
Form Factor
ATX 3.1
Input Current
7 A
Input Frequency
50 - 60 Hz
Input Voltage
100 - 240 V
Model
be quiet! DARK POWER 14 1200W Power Supply
Modern Standby
Yes
Operating Temperature (Max)
40 °C
Standby Power
<0.15 W
Topology
Full bridge + LLC + SR + DC/DC
Performance & Efficiency
80 PLUS
Titanium
Cybenetics ETA
1
Cybenetics LAMBDA
A+
Efficiency @ 230V (10%)
92.2 %
Efficiency @ 230V (100%)
93.1 %
Efficiency @ 230V (2%)
75.3 %
Efficiency @ 230V (20%)
94.8 %
Efficiency @ 230V (50%)
95.4 %
Hold-up Time @ 80%
19.5 ms
Power Factor @ 100%
>0.98
Power Good Signal
100 - 150 ms
Wattage (Continuous)
1200 W
Wattage (Continuous)
1200 W
Wattage (Peak)
1300 W
Cooling & Acoustics
Fan
Silent Wings
Fan Bearing
FDB
Fan Motor
6-pole fan motor
Fan Size
135 mm
Max Fan Speed
2100 rpm
Noise @ 10% Load
8 dB(A)
Noise @ 100% Load
21.1 dB(A)
Noise @ 20% Load
8 dB(A)
Noise @ 50% Load
8.3 dB(A)
Power Rails & Output
+12V1 Rail
33 A
+12V2 Rail
33 A
+12V3 Rail
45 A
+12V4 Rail
45 A
+3.3V Rail
25 A
+5V Rail
24 A
+5VSB Rail
3 A
-12V Rail
0.5 A
12V Rails
1
12V-2x6
2
Max Combined 12V
1200 W
Max Combined 12V-2x6
600 W
Max Combined 3.3V + 5V
120 W
Connectivity & Cables
ATX 20+4
1
Cable Length to Motherboard
60 cm
CPU P4 (4-pin)
1
CPU P8 (8-pin)
1
FDD (Floppy)
No
Flat Cables
Yes
Maximum Cable Length
105 cm
Modular
Yes
No. of Cables
11
PATA (Molex)
2
PCIe 6+2
4
SATA
13
Sleeved Cables
Yes
Protection & Safety
Protection (OCP)
Yes
Protection (OPP)
Yes
Protection (OTP)
Yes
Protection (OVP)
Yes
Protection (SCP)
Yes
Protection (SIP)
Yes
Protection (UVP)
Yes
Physical & Build
Brand
be quiet!
Color
Black
Dimensions (L×W×H)
175 x 150 x 86 mm
Gross Weight (Package)
4.71 kg
Package Dimensions (L×W×H)
355 x 230 x 126 mm
Pieces per Packaging Unit
4
Warranty
10 Years
Weight
2.3 kg
Other
Overclocking key
Yes
Downloads
ManualPDF
DatasheetPDF
CablesJPG
Performance curveJPG
About brand
German Engineering · Silent Performance

About be quiet!

be quiet! is a premium German PC hardware brand, recognised worldwide for designing high-performance components with an uncompromising focus on silence.

Founded in Germany, be quiet! has earned the trust of enthusiasts, gamers, creators and system builders the world over through exceptional build quality, reliability and near-silent operation.

Ultra-Quiet Design
German Engineering
Premium Components
Long Warranties

Designed in Germany

Every be quiet! product is engineered and quality-controlled in Germany, with meticulous attention to acoustics, airflow, thermals and long-term durability.

That engineering-first approach means each one performs exactly as intended: quietly and efficiently.

What be quiet! is known for

  • Ultra-quiet, high-efficiency power supplies
  • High-performance CPU coolers with silent operation
  • Low-noise PC cases optimised for airflow and reduced vibration
  • Premium fans engineered for strong airflow at minimal noise

Trusted by enthusiasts and professionals

be quiet! hardware is widely used in gaming PCs, professional workstations, content-creation systems, and quiet home and office builds.

Authorised UK Service Centre

As an authorised UK service centre, we supply genuine be quiet! products backed by full manufacturer warranty and local UK support.

Shipping & Delivery

Shipping & Delivery Information

Free UK delivery
Dispatch cut-off: 2:00pm
UK shipping only

  • 🚚
    UK mainland: Free standard next-day / 2-day delivery (subject to courier terms).
  • ⏱️
    Same-day dispatch: Order before 2:00pm Monday–Friday.
  • 📍
    Extended areas: Highlands, NI, ROI & Channel Islands typically 2–5 working days.
  • 🛑
    No collection: We ship orders only.

Shipping Only

Please note that we do not offer collections. All orders are shipped via our courier partners.

Delivery services are subject to courier availability and local conditions.

Weekend Orders

Orders placed after 2:00pm on Friday or during the weekend
are processed on the next working day (normally Monday).

Bank holidays may also affect dispatch and delivery times.

UK Delivery
Free standard next-day / 2-day to UK mainland (subject to courier terms)
  • Free standard delivery on all orders
  • 📦UK mainland only for next-day / 2-day services
  • 🕑Cut-off: order before 2:00pm (Mon–Fri) for same-day dispatch
Extended Delivery Areas
Typically 2–5 working days
  • 🏔️Scottish Highlands
  • 🇬🇧Northern Ireland
  • 🇮🇪Republic of Ireland
  • 🏝️Channel Islands

Delivery times can vary depending on courier availability and local conditions.

International Shipping
We do not ship outside the UK
We currently only ship within the UK and do not offer international delivery.

Delivery times are estimates and may be affected by courier delays outside of our control.