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Black rectangular ATX power supply with 135mm fan and modular cable sockets

be quiet!

be quiet! Dark Power 14 1200W ATX 3.1 power supply BP021US

SKU CH-6NTZ-JQCN1 MPN BP021US

A 1200 W ATX 3.1 power supply with 80 Plus Titanium efficiency up to 95.42 %, PCIe 5.1 support, modular cables and a 135 mm Silent Wings fan that can run in active or semi-passive mode

  • Max wattage1020 W
  • Modular cablingModular
  • Fan configuration1 × 135 mm
  • Main power connector20+4Pin
  • Product colorBlack
  • Product typeATX 3.1

Model Dark Power 14 1200W

  • Up to 95.42 % efficiency cuts waste heat and lowers running costs
  • ATX 3.1 design delivers native PCIe 5.1 12V-2x6 support for new GPUs
  • Choose active or semi-passive cooling at the push of a button
  • 135 mm Silent Wings fan runs virtually inaudible under load
  • Aluminium heat sink boosts component longevity during semi-passive operation

Dark Power 14 1200W ATX 3.1 power supply

This be quiet! unit delivers 1200 W maximum power with 80 Plus Titanium and Cybenetics Titanium efficiency up to 95.42 %. It follows the ATX 3.1 design and includes native 12V-2x6 connectors for PCIe 5.1 graphics cards. The fully modular cable set keeps the build clean.

Cooling choice and target builder

A physical switch selects between active and semi-passive modes, letting the 135 mm Silent Wings fan stay off at low load. Enthusiasts who want near-silent operation at idle will value this flexibility. Builders needing higher wattage or a different form factor should consider other models.

1020 W on the 12 V rail

The 12 V rail is rated for 1020 W, which is the single figure that determines whether the unit can sustain a given GPU and CPU combination. Check your components' combined 12 V draw against this number before purchasing.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $228.99
Pricier than about 68% of the 10,869 comparable items (median $142.99).
Max wattage 1020 W
Higher than about 81% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand namebe quiet
Product lineDark Power 14
Model nameDark Power 14 | 1200 W
Part number4260052192061
Product colorBlack
Product typeATX 3.1
Power
Max wattage1020 W
Modular cablingModular
Main power connector20+4Pin
Size & build
Product dimensions17.5 × 15 × 8.6 cm
Product weight2.3kg
Shipping weight4.26 kg
Package size356 × 210 × 127 mm
More details
Fan configuration1 × 135 mm

Other versions of this model

2 more in the same range

Questions about this item

Should I choose the 1200 W Dark Power 14 or a lower-wattage unit from the same series?

The 1200 W model delivers up to 1020 W continuous power and carries 80 PLUS Titanium plus Cybenetics Titanium ratings, making it the right pick for builds that need maximum headroom and the highest certified efficiency.

What does the 95.42 % efficiency figure mean once the PSU is installed in my PC?

At typical loads the unit converts up to 95.42 % of AC input into usable DC power, so less energy becomes heat, fan speeds stay lower and electricity costs drop compared with lower-rated supplies.

How does the ATX 3.1 and PCIe 5.1 support affect what graphics cards I can run?

The supply includes native 12V-2x6 connectors required by PCIe 5.1 GPUs and also provides 6+2-pin cables for older cards, so current and next-generation graphics cards are both supported without adapters.

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