Product comparison · 2 power supply units

be quiet! BN229 power supply unit vs Zalman ZM500-LX power supply unit

25specifications compared
13differ
12identical
35known for one product only

Key differences

Total power
- BN229 power supply unit:300 W
- ZM500-LX power supply unit:500 W
AC input voltage
- BN229 power supply unit:110 - 240 V
- ZM500-LX power supply unit:200 - 240 V
Combined power (+3.3V)
- BN229 power supply unit:103 W
- ZM500-LX power supply unit:120 W
Combined power (+12V)
- BN229 power supply unit:264 W
- ZM500-LX power supply unit:444 W
Combined power (+5Vsb)
- BN229 power supply unit:15 W
- ZM500-LX power supply unit:10 W
Max output current (+3.3V)
- BN229 power supply unit:21 A
- ZM500-LX power supply unit:18 A
Max output current (+5Vsb)
- BN229 power supply unit:2 A
- ZM500-LX power supply unit:2.5 A
Number of SATA power connectors
- BN229 power supply unit:4
- ZM500-LX power supply unit:2

Side by side

Differences highlightedShow differences only

Comparison of BN229, ZM500-LX
60 specifications	A be quiet! BN229 power supply unit Model BN229 View product	B Zalman ZM500-LX power supply unit Model ZM500-LX View product
Power8 differ
Total powerDiffers	300 W	500 W
Peak powerKnown for one	330 W	Unknown — not stated by the source
AC input voltageDiffers	110 - 240 V	200 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentKnown for one	4 A	Unknown — not stated by the source
Maximum input current (@110V)Differs	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	+12V,+3.3V,+5V,-12V,-5V
Power factorKnown for one	0.9	Unknown — not stated by the source
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	103 W	120 W
Combined power (+12V)Differs	264 W	444 W
Combined power (+5V)Known for one	103 W	Unknown — not stated by the source
Combined power (-12V)	3.6 W	3.6 W
Combined power (+5Vsb)Differs	15 W	10 W
Max output current (+3.3V)Differs	21 A	18 A
Max output current (+12V1)Known for one	13 A	Unknown — not stated by the source
Max output current (+12V2)Known for one	13 A	Unknown — not stated by the source
Max output current (+5V)	15 A	15 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)Differs	2 A	2.5 A
EfficiencyKnown for one	91.6%	Unknown — not stated by the source
Hold timeKnown for one	16 ms	Unknown — not stated by the source
Power protection features	Over current, Over power, Over voltage, Short circuit, Under voltage	Over current, Over power, Over voltage, Short circuit, Under voltage
Max output current (+12V)Known for one	Unknown — not stated by the source	40 A
Ports & interfaces1 differ
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsDiffers	4	2
Peripheral (Molex) power connectors (4-pin)Known for one	2	Unknown — not stated by the source
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
Floppy disk drive connector	Yes	Yes
Floppy drive power connector	1	1
Cabling type	Non-Modular	Non-Modular
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factorKnown for one	TFX	Unknown — not stated by the source
80 PLUS certificationKnown for one	80 PLUS Gold	Unknown — not stated by the source
Noise levelKnown for one	26.5 dB	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Designidentical
Product colour	Black	Black
Cooling typeKnown for one	Active	Unknown — not stated by the source
Fan diameterKnown for one	8 cm	Unknown — not stated by the source
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan speedKnown for one	2003	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	CE, CB, TÜV	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	85 mm	150 mm
DepthDiffers	185 mm	140 mm
HeightDiffers	65 mm	86 mm
WeightDiffers	1.2 kg	1.9 kg
Packaging dataidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Package widthKnown for one	190 mm	Unknown — not stated by the source
Package depthKnown for one	85 mm	Unknown — not stated by the source
Package heightKnown for one	159 mm	Unknown — not stated by the source
Package weightKnown for one	1.5 kg	Unknown — not stated by the source
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Noise level (silent mode, <30%)Known for one	12.7 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Known for one	14.5 dB	Unknown — not stated by the source
Noise level (full-load mode, 100%)Known for one	26.5 dB	Unknown — not stated by the source

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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