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
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
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
Power protection features	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
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
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
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
CPU power connector (4+4 pin)	Yes	Yes
Floppy drive power connector	1	1
Cabling type	Non-Modular	Non-Modular
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	2
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
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
Mean time between failures (MTBF)	100000 h	100000 h
Designidentical
Product colour	Black	Black
Cooling type	Active	Active
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
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
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
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
Height	86 mm	86 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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