Product comparison · 2 power supply units

be quiet! System Power B9 vs CoolBox DeepPower BR-650

33specifications compared
21differ
12identical
33known for one product only

Key differences

Total power
- System Power B9:300 W
- DeepPower BR-650:650 W
AC input voltage
- System Power B9:200 - 240 V
- DeepPower BR-650:100 - 240 V
AC input frequency
- System Power B9:50 Hz
- DeepPower BR-650:50 - 60 Hz
Combined power (+3.3V)
- System Power B9:103 W
- DeepPower BR-650:115 W
Combined power (+12V)
- System Power B9:276 W
- DeepPower BR-650:528 W
Combined power (+5V)
- System Power B9:103 W
- DeepPower BR-650:115 W
Combined power (-12V)
- System Power B9:3.6 W
- DeepPower BR-650:6 W
Max output current (+3.3V)
- System Power B9:17 A
- DeepPower BR-650:18 A

Side by side

Differences highlightedShow differences only

Comparison of System Power B9, DeepPower BR-650
66 specifications	A be quiet! System Power B9 View product	B CoolBox DeepPower BR-650 View product
Power14 differ
Total powerDiffers	300 W	650 W
AC input voltageDiffers	200 - 240 V	100 - 240 V
AC input frequencyDiffers	50 Hz	50 - 60 Hz
Input currentKnown for one	2.5 A	Unknown — not stated by the source
Power factorKnown for one	0.95	Unknown — not stated by the source
Combined power (+3.3V)Differs	103 W	115 W
Combined power (+12V)Differs	276 W	528 W
Combined power (+5V)Differs	103 W	115 W
Combined power (-12V)Differs	3.6 W	6 W
Max output current (+3.3V)Differs	17 A	18 A
Max output current (+12V1)Differs	18 A	22 A
Max output current (+12V2)Differs	14 A	22 A
Max output current (+5V)Differs	15 A	18 A
Max output current (-12V)Differs	0.3 A	0.5 A
EfficiencyDiffers	87%	85%
Power protection featuresDiffers	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over power, Over voltage, Short circuit, Under voltage
Maximum input current (@110V)Known for one	Unknown — not stated by the source	8 A
Maximum input current (@220V)Known for one	Unknown — not stated by the source	4 A
Power Good signal delay rangeKnown for one	Unknown — not stated by the source	100 - 500 ms
Ports & interfacesidentical
Motherboard power cable lengthKnown for one	45 cm	Unknown — not stated by the source
Number of PATA power connectorsKnown for one	2	Unknown — not stated by the source
SATA power cable lengthKnown for one	400 mm	Unknown — not stated by the source
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
CPU power cable lengthKnown for one	45 cm	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	4
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	1
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
Floppy disk drive connectorKnown for one	Unknown — not stated by the source	Yes
Floppy drive power connectorKnown for one	Unknown — not stated by the source	1
PCI Express connectorKnown for one	Unknown — not stated by the source	Yes
Performance3 differ
PurposeDiffers	PC	PC/Server
80 PLUS certificationDiffers	80 PLUS	80 PLUS Bronze
ATX versionDiffers	2.4	2.31
Silent modeKnown for one	Yes	Unknown — not stated by the source
Noise levelKnown for one	Unknown — not stated by the source	25 dB
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	100000 h
Design2 differ
Product colourDiffers	Grey	Black
Fan diameterDiffers	12 cm	14 cm
IlluminationKnown for one	No	Unknown — not stated by the source
Cooling typeKnown for one	Unknown — not stated by the source	Active
Fan locationKnown for one	Unknown — not stated by the source	Top
Certificates1 differ
CertificationDiffers	CE, CB, TÜV, RCM, CU	CE, WEEE
Weight & dimensions1 differ
WidthKnown for one	150 mm	Unknown — not stated by the source
DepthKnown for one	140 mm	Unknown — not stated by the source
HeightKnown for one	86 mm	Unknown — not stated by the source
WeightDiffers	1.52 kg	2.1 kg
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733020	Unknown — not stated by the source
Other featuresidentical
Noise level (silent mode, <30%)Known for one	11.6 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Known for one	12.1 dB	Unknown — not stated by the source
Noise level (full-load mode, 100%)Known for one	23.1 dB	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Packaging dataidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Package typeKnown for one	Unknown — not stated by the source	Box

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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