Product comparison · 2 power supply units

be quiet! BN234 power supply unit vs be quiet! Dark Power Pro 11

45specifications compared
25differ
20identical
20known for one product only

Key differences

Total power
- BN234 power supply unit:500 W
- Dark Power Pro 11:1000 W
Peak power
- BN234 power supply unit:550 W
- Dark Power Pro 11:1100 W
Input current
- BN234 power supply unit:8 A
- Dark Power Pro 11:14 A
Power factor
- BN234 power supply unit:0.97
- Dark Power Pro 11:0.99
Combined power (+3.3V)
- BN234 power supply unit:130 W
- Dark Power Pro 11:25 W
Combined power (+5V)
- BN234 power supply unit:130 W
- Dark Power Pro 11:25 W
Combined power (-12V)
- BN234 power supply unit:3.6 W
- Dark Power Pro 11:0.5 W
Efficiency
- BN234 power supply unit:93%
- Dark Power Pro 11:94.1%

Side by side

Differences highlightedShow differences only

Comparison of BN234, Dark Power Pro 11
65 specifications	A be quiet! BN234 power supply unit Model BN234 View product	B be quiet! Dark Power Pro 11 View product
Power9 differ
Total powerDiffers	500 W	1000 W
Peak powerDiffers	550 W	1100 W
Input currentDiffers	8 A	14 A
Power factorDiffers	0.97	0.99
Power Factor Correction (PFC) typeKnown for one	Active	Unknown — not stated by the source
Combined power (+3.3V)Differs	130 W	25 W
Combined power (+12V)Known for one	480 W	Unknown — not stated by the source
Combined power (+5V)Differs	130 W	25 W
Combined power (-12V)Differs	3.6 W	0.5 W
Combined power (+5Vsb)Known for one	15 W	Unknown — not stated by the source
Max output current (+3.3V)Known for one	24 A	Unknown — not stated by the source
Max output current (+12V1)Known for one	18 A	Unknown — not stated by the source
Max output current (+12V2)Known for one	18 A	Unknown — not stated by the source
Max output current (+12V3)Known for one	18 A	Unknown — not stated by the source
Max output current (+12V4)Known for one	18 A	Unknown — not stated by the source
Max output current (+5V)Known for one	24 A	Unknown — not stated by the source
Max output current (-12V)Known for one	0.3 A	Unknown — not stated by the source
Max output current (+5Vsb)Known for one	3 A	Unknown — not stated by the source
EfficiencyDiffers	93%	94.1%
Hold timeDiffers	17 ms	19.29 ms
Ports & interfaces4 differ
Number of SATA power connectorsDiffers	9	10
Peripheral (Molex) power connectors (4-pin)Differs	3	7
PCI Express power connectors (6+2 pin)Differs	2	8
Floppy drive power connectorDiffers	1	2
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	1
CPU power connectors (8-pin)Known for one	Unknown — not stated by the source	1
Performance1 differ
80 PLUS certificationDiffers	80 PLUS Gold	80 PLUS Platinum
Bearing technologyKnown for one	FDB	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Design1 differ
Fan speedDiffers	1200	1800
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	ErP, WEEE
Safety regulation & standards1 differ
SafetyDiffers	CE, CB, TÜV, FCC, cRUus, cTUVus, BSMI	CE, CB, TÜV, FCC, cTUVus, RCM, CU
Weight & dimensions3 differ
WidthDiffers	160 mm	150 mm
DepthDiffers	150 mm	193 mm
WeightDiffers	2.18 kg	2.38 kg
Packaging data4 differ
ManualKnown for one	Yes	Unknown — not stated by the source
Package widthDiffers	328 mm	305 mm
Package depthDiffers	248 mm	514 mm
Package heightDiffers	102 mm	378 mm
Package weightDiffers	2.77 kg	4.59 kg
Other features2 differ
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Noise level (silent mode, <30%)Known for one	10.3 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Differs	10.7 dB	10.4 dB
Noise level (full-load mode, 100%)Differs	15 dB	26.3 dB

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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