Product comparison · 2 power supply units

be quiet! POWER ZONE 2 1000W vs be quiet! System Power 11 450W

57specifications compared
29differ
28identical
21known for one product only

Key differences

Total power
- POWER ZONE 2 1000W:1000 W
- System Power 11 450W:450 W
AC input voltage
- POWER ZONE 2 1000W:100 - 240 V
- System Power 11 450W:200 - 240 V
AC input frequency
- POWER ZONE 2 1000W:50/60 Hz
- System Power 11 450W:50 Hz
Combined power (+3.3V)
- POWER ZONE 2 1000W:120 W
- System Power 11 450W:110 W
Combined power (+12V)
- POWER ZONE 2 1000W:999.6 W
- System Power 11 450W:450 W
Combined power (+5V)
- POWER ZONE 2 1000W:120 W
- System Power 11 450W:110 W
Combined power (-12V)
- POWER ZONE 2 1000W:6 W
- System Power 11 450W:3.6 W
Max output current (-12V)
- POWER ZONE 2 1000W:0.5 A
- System Power 11 450W:0.3 A

Side by side

Differences highlightedShow differences only

Comparison of POWER ZONE 2 1000W, System Power 11 450W
78 specifications	A be quiet! POWER ZONE 2 1000W View product	B be quiet! System Power 11 450W View product
Power10 differ
Total powerDiffers	1000 W	450 W
Peak powerKnown for one	1070 W	Unknown — not stated by the source
AC input voltageDiffers	100 - 240 V	200 - 240 V
AC input frequencyDiffers	50/60 Hz	50 Hz
Maximum input current (@110V)Known for one	13 A	Unknown — not stated by the source
Maximum input current (@220V)Known for one	6.5 A	Unknown — not stated by the source
Power factor	0.98	0.98
Number of +12V rail(s)	1	1
Combined power (+3.3V)Differs	120 W	110 W
Combined power (+12V)Differs	999.6 W	450 W
Combined power (+5V)Differs	120 W	110 W
Combined power (-12V)Differs	6 W	3.6 W
Combined power (+5Vsb)	15 W	15 W
Max output current (+3.3V)	20 A	20 A
Max output current (+12V)Known for one	83.3 A	Unknown — not stated by the source
Max output current (+5V)	20 A	20 A
Max output current (-12V)Differs	0.5 A	0.3 A
Max output current (+5Vsb)	3 A	3 A
EfficiencyDiffers	92.6%	89%
Hold timeDiffers	22.7 ms	16.86 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
Input currentKnown for one	Unknown — not stated by the source	4 A
Max output current (+12V1)Known for one	Unknown — not stated by the source	37.5 A
Ports & interfaces3 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Motherboard power cable lengthKnown for one	60 cm	Unknown — not stated by the source
Number of SATA power connectorsDiffers	7	5
SATA power cable lengthKnown for one	550,700,850,1000 mm	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)	1	1
Peripheral (Molex) power cable lengthKnown for one	1000 mm	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Differs	3	2
PCI Express power connectors (16-pin)Known for one	1	Unknown — not stated by the source
PCI Express power cable lengthKnown for one	60 cm	Unknown — not stated by the source
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
CPU power connector (4+4 pin)	Yes	Yes
CPU power cable lengthKnown for one	70 cm	Unknown — not stated by the source
PCI Express connector	Yes	Yes
Cabling typeDiffers	Fully-Modular	Non-Modular
Performance2 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certificationDiffers	80 PLUS Platinum	80 PLUS Bronze
ATX version	3.1	3.1
EPS version	2.92	2.92
Noise levelDiffers	27.2 dB	19.1 dB
Bearing technology	Rifle	Rifle
Mean time between failures (MTBF)	100000 h	100000 h
Design1 differ
Product colour	Black	Black
Cooling type	Active	Active
Fan diameterDiffers	14 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Illumination	No	No
On/off switch	Yes	Yes
Fan speedKnown for one	Unknown — not stated by the source	0 - 1800 RPM
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 85%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Certificates1 differ
Compliance certificatesDiffers	BSMI, CB, CCC, CE, Federal Communications Commission (FCC), RCM, RoHS, TÜV mark, UKCA, WEEE	CB, CE, RoHS, TÜV mark, UKCA, WEEE
Waste Electrical and Electronic Equipment (WEEE) compliance	Yes	Yes
Weight & dimensions3 differ
Width	150 mm	150 mm
DepthDiffers	160 mm	86 mm
HeightDiffers	86 mm	140 mm
WeightDiffers	2.82 kg	1.7 kg
Packaging data4 differ
ManualKnown for one	Yes	Unknown — not stated by the source
Manual languagesKnown for one	German, English, Spanish, French, Polish, Russian, Ukrainian	Unknown — not stated by the source
Package widthDiffers	248 mm	195 mm
Package depthDiffers	328 mm	268 mm
Package heightDiffers	102 mm	97 mm
Package weightDiffers	3.28 kg	2.1 kg
Package type	Box	Box
Technical details1 differ
Sustainability certificatesDiffers	ENERGY STAR, ErP, Triman	ENERGY STAR, ErP
Logistics data4 differ
Products per shipping (inner) case	6 pc(s)	6 pc(s)
Shipping (inner) case gross weightDiffers	19.6 kg	13.6 kg
Shipping (inner) case heightDiffers	34.6 cm	21.8 cm
Shipping (inner) case lengthDiffers	65.1 cm	55.6 cm
Shipping (inner) case widthDiffers	28.2 cm	31.1 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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