Product comparison · 2 power supply units

be quiet! System Power 7 vs Zalman ZM700-SV power supply unit

32specifications compared
16differ
16identical
27known for one product only

Key differences

Total power
- System Power 7:300 W
- ZM700-SV power supply unit:700 W
Power factor
- System Power 7:0.992
- ZM700-SV power supply unit:0.99
Combined power (+3.3V)
- System Power 7:103 W
- ZM700-SV power supply unit:120 W
Combined power (+12V)
- System Power 7:288 W
- ZM700-SV power supply unit:648 W
Combined power (+5V)
- System Power 7:103 W
- ZM700-SV power supply unit:120 W
Max output current (+3.3V)
- System Power 7:21 A
- ZM700-SV power supply unit:20 A
Max output current (+12V)
- System Power 7:24 A
- ZM700-SV power supply unit:54 A
Max output current (+5V)
- System Power 7:15 A
- ZM700-SV power supply unit:20 A

Side by side

Differences highlightedShow differences only

Comparison of System Power 7, ZM700-SV
59 specifications	A be quiet! System Power 7 View product	B Zalman ZM700-SV power supply unit Model ZM700-SV View product
Power11 differ
Total powerDiffers	300 W	700 W
Peak powerKnown for one	350 W	Unknown — not stated by the source
Input currentKnown for one	2/4 A	Unknown — not stated by the source
Maximum input current (@110V)Differs	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	+12V,+3.3V,+5V,+5Vsb,-12V
Power factorDiffers	0.992	0.99
Power Factor Correction (PFC) typeKnown for one	Active	Unknown — not stated by the source
Combined power (+3.3V)Differs	103 W	120 W
Combined power (+12V)Differs	288 W	648 W
Combined power (+5V)Differs	103 W	120 W
Max output current (+3.3V)Differs	21 A	20 A
Max output current (+12V)Differs	24 A	54 A
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 (+5V)Differs	15 A	20 A
Max output current (-12V)Differs	0.3 A	03 A
Max output current (+5Vsb)Differs	2.5 A	3.5 A
EfficiencyKnown for one	87%	Unknown — not stated by the source
Hold timeKnown for one	18.6 ms	Unknown — not stated by the source
Combined power (-12V)Known for one	Unknown — not stated by the source	3.6 W
Combined power (+5Vsb)Known for one	Unknown — not stated by the source	17.5 W
Ports & interfaces2 differ
Number of SATA power connectorsDiffers	4	6
Peripheral (Molex) power connectors (4-pin)Differs	2	5
EPS power connector (8-pin)Known for one	No	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	2
Performance1 differ
80 PLUS certificationDiffers	80 PLUS Bronze	80 PLUS Silver
ATX versionKnown for one	2.31	Unknown — not stated by the source
Noise levelKnown for one	20.7 dB	Unknown — not stated by the source
Designidentical
Fan speedKnown for one	1021	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 85%
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, Semko (S), FCC, cTUVus	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	150 mm	140 mm
DepthDiffers	140 mm	150 mm
WeightKnown for one	Unknown — not stated by the source	3.2 kg
Packaging dataidentical
Package weightKnown for one	1.68 kg	Unknown — not stated by the source
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Noise level (silent mode, <30%)Known for one	13.9 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Known for one	14.7 dB	Unknown — not stated by the source
Noise level (full-load mode, 100%)Known for one	20.7 dB	Unknown — not stated by the source
Parallel processing technology supportKnown for one	Unknown — not stated by the source	2-Way SLI, Hybrid CrossFireX

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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