Product comparison · 2 power supply units

be quiet! POWER ZONE 2 1000W vs be quiet! POWER ZONE 2 850W

73specifications compared
11differ
62identical
2known for one product only

Key differences

Total power
- POWER ZONE 2 1000W:1000 W
- POWER ZONE 2 850W:850 W
Peak power
- POWER ZONE 2 1000W:1070 W
- POWER ZONE 2 850W:920 W
Maximum input current (@110V)
- POWER ZONE 2 1000W:13 A
- POWER ZONE 2 850W:10 A
Maximum input current (@220V)
- POWER ZONE 2 1000W:6.5 A
- POWER ZONE 2 850W:5 A
Combined power (+12V)
- POWER ZONE 2 1000W:999.6 W
- POWER ZONE 2 850W:849.6 W
Max output current (+12V)
- POWER ZONE 2 1000W:83.3 A
- POWER ZONE 2 850W:70.8 A
Efficiency
- POWER ZONE 2 1000W:92.6%
- POWER ZONE 2 850W:92.3%
Hold time
- POWER ZONE 2 1000W:22.7 ms
- POWER ZONE 2 850W:21.1 ms

Side by side

Differences highlightedShow differences only

Comparison of POWER ZONE 2 1000W, POWER ZONE 2 850W
75 specifications	A be quiet! POWER ZONE 2 1000W View product	B be quiet! POWER ZONE 2 850W View product
Power8 differ
Total powerDiffers	1000 W	850 W
Peak powerDiffers	1070 W	920 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50/60 Hz	50/60 Hz
Maximum input current (@110V)Differs	13 A	10 A
Maximum input current (@220V)Differs	6.5 A	5 A
Power factor	0.98	0.98
Number of +12V rail(s)	1	1
Combined power (+3.3V)	120 W	120 W
Combined power (+12V)Differs	999.6 W	849.6 W
Combined power (+5V)	120 W	120 W
Combined power (-12V)	6 W	6 W
Combined power (+5Vsb)	15 W	15 W
Max output current (+3.3V)	20 A	20 A
Max output current (+12V)Differs	83.3 A	70.8 A
Max output current (+5V)	20 A	20 A
Max output current (-12V)	0.5 A	0.5 A
Max output current (+5Vsb)	3 A	3 A
EfficiencyDiffers	92.6%	92.3%
Hold timeDiffers	22.7 ms	21.1 ms
Power protection features	Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under voltage	Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under voltage
Ports & interfacesidentical
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Motherboard power cable length	60 cm	60 cm
Number of SATA power connectors	7	7
SATA power cable length	550,700,850,1000 mm	550,700,850,1000 mm
Peripheral (Molex) power connectors (4-pin)	1	1
Peripheral (Molex) power cable length	1000 mm	1000 mm
EPS power connector (8-pin)	Yes	Yes
PCI Express power connectors (6+2 pin)	3	3
PCI Express power connectors (16-pin)	1	1
PCI Express power cable length	60 cm	60 cm
CPU P4 connector (4-pin)	1	1
CPU power connector (4+4 pin)	Yes	Yes
CPU power cable length	70 cm	70 cm
PCI Express connector	Yes	Yes
Cabling type	Fully-Modular	Fully-Modular
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certification	80 PLUS Platinum	80 PLUS Platinum
ATX version	3.1	3.1
EPS version	2.92	2.92
Noise levelDiffers	27.2 dB	24.9 dB
Bearing technology	Rifle	Rifle
Mean time between failures (MTBF)	100000 h	100000 h
Designidentical
Product colour	Black	Black
Cooling type	Active	Active
Fan diameter	14 cm	14 cm
Number of fans	1 fan(s)	1 fan(s)
Illumination	No	No
On/off switch	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	0 - 85%	0 - 85%
Storage relative humidity (H-H)	0 - 95%	0 - 95%
Certificatesidentical
Compliance certificates	BSMI, CB, CCC, CE, Federal Communications Commission (FCC), RCM, RoHS, TÜV mark, UKCA, WEEE	BSMI, CB, CCC, CE, Federal Communications Commission (FCC), RCM, RoHS, TÜV mark, UKCA, WEEE
Waste Electrical and Electronic Equipment (WEEE) compliance	Yes	Yes
Weight & dimensionsidentical
Width	150 mm	150 mm
Depth	160 mm	160 mm
Height	86 mm	86 mm
WeightKnown for one	2.82 kg	Unknown — not stated by the source
Packaging data1 differ
Manual	Yes	Yes
Manual languages	German, English, Spanish, French, Polish, Russian, Ukrainian	German, English, Spanish, French, Polish, Russian, Ukrainian
Package width	248 mm	248 mm
Package depth	328 mm	328 mm
Package height	102 mm	102 mm
Package weightDiffers	3.28 kg	3.21 kg
Package type	Box	Box
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR, ErP, Triman	Unknown — not stated by the source
Logistics data1 differ
Products per shipping (inner) case	6 pc(s)	6 pc(s)
Shipping (inner) case gross weightDiffers	19.6 kg	19.3 kg
Shipping (inner) case height	34.6 cm	34.6 cm
Shipping (inner) case length	65.1 cm	65.1 cm
Shipping (inner) case width	28.2 cm	28.2 cm
Other featuresidentical
Screws included	Yes	Yes
Cable ties included	Yes	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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