Product comparison · 2 power supply units

be quiet! Pure Power L8 CM vs Zalman ZM500-HP PLUS

42specifications compared
17differ
25identical
20known for one product only

Key differences

Total power
- Pure Power L8 CM:430 W
- ZM500-HP PLUS:500 W
Input current
- Pure Power L8 CM:4 - 8 A
- ZM500-HP PLUS:8 A
Power factor
- Pure Power L8 CM:0.99
- ZM500-HP PLUS:99
Combined power (+3.3V)
- Pure Power L8 CM:120 W
- ZM500-HP PLUS:130 W
Combined power (+12V)
- Pure Power L8 CM:396 W
- ZM500-HP PLUS:432 W
Combined power (+5V)
- Pure Power L8 CM:120 W
- ZM500-HP PLUS:130 W
Combined power (-12V)
- Pure Power L8 CM:3.6 W
- ZM500-HP PLUS:6 W
Max output current (+12V1)
- Pure Power L8 CM:22 A
- ZM500-HP PLUS:18 A

Side by side

Differences highlightedShow differences only

Comparison of Pure Power L8 CM, ZM500-HP PLUS
62 specifications	A be quiet! Pure Power L8 CM View product	B Zalman ZM500-HP PLUS View product
Power11 differ
Total powerDiffers	430 W	500 W
Peak powerKnown for one	480 W	Unknown — not stated by the source
Input currentDiffers	4 - 8 A	8 A
Power factorDiffers	0.99	99
Combined power (+3.3V)Differs	120 W	130 W
Combined power (+12V)Differs	396 W	432 W
Combined power (+5V)Differs	120 W	130 W
Combined power (-12V)Differs	3.6 W	6 W
Max output current (+12V)Known for one	33 A	Unknown — not stated by the source
Max output current (+12V1)Differs	22 A	18 A
Max output current (+12V2)Differs	20 A	18 A
Max output current (+5V)Known for one	15 A	Unknown — not stated by the source
Max output current (-12V)Differs	0.3 A	0.5 A
Hold timeKnown for one	14 ms	Unknown — not stated by the source
Power protection featuresDiffers	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over current, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces2 differ
Number of SATA power connectorsDiffers	4	2
Peripheral (Molex) power connectors (4-pin)Differs	3	6
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Performanceidentical
Noise levelKnown for one	20.1 dB	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Designidentical
Fan speedKnown for one	1229	Unknown — not stated by the source
Fan locationKnown for one	Unknown — not stated by the source	Side
On/off switchKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 40 °C	10 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 80 °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%
Certificates1 differ
CertificationDiffers	ErP, WEEE, CE, CB, TUV	CB, CEE, FCC
Weight & dimensions2 differ
DepthDiffers	160 mm	165 mm
WeightDiffers	1.7 kg	2.79 kg
Packaging dataidentical
Package weightKnown for one	2.45 kg	Unknown — not stated by the source
ManualKnown for one	Unknown — not stated by the source	Yes
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Noise level (silent mode, <30%)Known for one	16.2 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Known for one	16.8 dB	Unknown — not stated by the source
Noise level (full-load mode, 100%)Known for one	20.1 dB	Unknown — not stated by the source
Package dimensions (WxDxH)Known for one	105 x 230 x 280 mm	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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