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be quiet! POWER ZONE 2 850W power supply unit 20+4 pin ATX ATX Black

Released: Not on record
$302.80 from US · Amazon.com Updated 2 weeks ago Last updated Sep 3, 2026 03:14 UTC

Ratings & price sourced from Amazon.com (United States).

Wattage
850 W
Efficiency rating
80 PLUS Platinum
Depth
160 mm
Width
150 mm
Height
86 mm
Manual included
Y
Purpose
PC
Hold time
21.1
Efficiency
92.3
View 74 specifications
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Overview

Exceptional efficiency for Gamers
Power Zone 2 850W is a power supply with 80 PLUS® Platinum certification and semi-passive zero-RPM cooling for both efficient and quiet gaming sessions.

PLATINUM CERTIFIED
Highly efficient operation

Power Zone 2 850W is certified with 80 PLUS Platinum and Cybenetics Platinum, resulting in an energy efficiency rating of up to 94.1%. This results in lower power consumption, overall cooler and quieter operation, and many other benefits for your high-end system.

SEMI-PASSIVE ZERO-RPM COOLING
Enjoy the silence

A large Pure Wings 3 140mm fan is keeping Power Zone 2 850W cool. While under low load, the fan turns off completely until its services are needed again for more demanding operations. This post-ventilation requires a short cooldown period of 2-5 minutes to avoid frequent and annoying starts and stops of the fan. Combined with the large fan for active cooling, this power supply is exceptionally silent in all load scenarios.

PURE WINGS 3 FAN
Specially designed for Power Zone 2

No Power Supply is like the other. Hence, we have altered aspects of our renowned Pure Wings 3 140mm fan to make it the perfect match for Power Zone 2 850W. The fan offers outstanding reliability and makes for a long-lasting companion. Due to its large diameter, the fan cools the interior of the PSU efficiently and quietly.

FUTURE-PROOF YOUR SYSTEM
With 90° angled 12V-2x6 connector in scope of delivery

Power Zone 2 850W is an ATX 3.1 PSU and comes with both native integration of the 12V-2x6 connector for next-generation PCIe 5.1 graphics cards, and 3 PCIe 6+2-pin connectors for support of current-gen GPUs. A 90° angled 12V-2x6 connector in the scope of delivery leaves no doubt that this PSU is here to stay. All of this makes Power Zone 2 850W extremely versatile and the perfect choice for powerful systems of today and the ones to come.

THE NEW STANDARD OF POWER
For massive transient loads

Power Zone 2 offers 850W of continuous power with one massive 12V rail. Even if the graphics card demands excessive power for a short time: Power Zone 2 850W handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.

HIGH-CLASS TECHNOLOGIES
All packed in a stunning design

With its LLC topology, the Power Zone 2 850W offers best-in-class voltage regulation and efficiency. This makes it perfect for building very quiet systems or upgrading gaming and media creation PCs. The inner values are what everyone cares about most in a power supply but looks cannot be completely ignored. That is why the Power Zone 2 850W has a distinctive look with a newly designed mesh front. In addition, all cable designations are printed directly on the PSU’s case for a long-lasting impression and an unparalleled look and feel.

Technical Specifications

Logistics & Packaging

5 SPECS
Package depth
328 mm
Package width
248 mm
Package height
102 mm
Package weight
3210 g
Shipping (inner) case gross weight
19260

Power

2 SPECS
Wattage
850 W
Efficiency rating
80 PLUS Platinum

Graphics

1 SPEC
Illumination
No

Physical

4 SPECS
Depth
160 mm
Width
150 mm
Height
86 mm
Colour
Black

Cooling

3 SPECS
Cooling type
Active
Fan size
140
Number of fans
1

General

59 SPECS
Manual included
Yes
Purpose
PC
Hold time
21.1
Efficiency
92.3
Peak power
920
ATX version
3.1
EPS version
2.92
Noise level
24.9
Cabling type
Fully-Modular
Packaging type
Box
Power factor
0.98
On/off switch
Yes
Screws included
Yes
AC input voltage
100 - 240
Manual languages
DEU,ENG,ESP,FRE,POL,RUS,UKR
AC input frequency
50/60
Bearing type
Rifle
Cable ties included
Yes
Combined power (+5V)
120
Combined power (+12V)
849.6
Combined power (-12V)
6
PCI Express connector
Yes
CPU power cable length
700
Combined power (+3.3V)
120
Combined power (+5Vsb)
15
Number of +12V rail(s)
1
Compliance certificates
BSMI,CB,CCC,CE,Federal Communications Commission (FCC),RCM,RoHS,TÜV mark,UKCA,WEEE
SATA power cable length
550,700,850,1000
CPU P4 connector (4-pin)
1
Max output current (+5V)
20
Max output current (+12V)
70.8
Max output current (-12V)
0.5
Power protection features
Over current,Over power,Over voltage,Overheating,Short circuit,Surge & inrush,Under voltage
Storage temperature
-40 - 70
Max output current (+3.3V)
20
Max output current (+5Vsb)
3
EPS power connector (8-pin)
Yes
Motherboard power connector
20+4 pin ATX
Operating temperature
0 - 40
Shipping (inner) case width
282
Eco certifications
ENERGY STAR,ErP,Triman
Shipping (inner) case height
346
Shipping (inner) case length
651
CPU power connector (4+4 pin)
Yes
Maximum input current (@110V)
10
Maximum input current (@220V)
5
Motherboard power cable length
600
PCI Express power cable length
600
Number of SATA power connectors
7
Storage relative humidity (H-H)
0 - 95
MTBF
100000 h
Operating humidity
0 - 85
Products per shipping (inner) case
6
Power supply unit (PSU) form factor
ATX
PCI Express power connectors (16-pin)
1
Peripheral (Molex) power cable length
1000
PCI Express power connectors (6+2 pin)
3
Peripheral (Molex) power connectors (4-pin)
1
Waste Electrical and Electronic Equipment (WEEE) compliance
Yes

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Product lifecycle

In production

Still listed as on-market by the manufacturer — actively sold and supported.

Lifecycle status is derived from catalog data and is indicative, not a manufacturer support guarantee.