Product comparison · 2 power supply units

be quiet! BQT L7-730W vs Zalman ZM500-HP PLUS

35specifications compared
19differ
16identical
30known for one product only

Key differences

Total power
- BQT L7-730W:730 W
- ZM500-HP PLUS:500 W
Input current
- BQT L7-730W:10 A
- ZM500-HP PLUS:8 A
Power factor
- BQT L7-730W:0.99
- ZM500-HP PLUS:99
Max output current (+3.3V)
- BQT L7-730W:17.9 A
- ZM500-HP PLUS:24 A
Max output current (-12V)
- BQT L7-730W:0.3 A
- ZM500-HP PLUS:0.5 A
Max output current (+5Vsb)
- BQT L7-730W:2.6 A
- ZM500-HP PLUS:3 A
Efficiency
- BQT L7-730W:86.87%
- ZM500-HP PLUS:88%
Number of SATA power connectors
- BQT L7-730W:5
- ZM500-HP PLUS:2

Side by side

Differences highlightedShow differences only

Comparison of BQT L7-730W, ZM500-HP PLUS
65 specifications	A be quiet! BQT L7-730W View product	B Zalman ZM500-HP PLUS View product
Power8 differ
Total powerDiffers	730 W	500 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	10 A	8 A
Maximum input current (@110V)	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factorDiffers	0.99	99
Power Factor Correction (PFC) type	Active	Active
Max output current (+3.3V)Differs	17.9 A	24 A
Max output current (+12V)Known for one	48.5 A	Unknown — not stated by the source
Max output current (+5V)Known for one	14.4 A	Unknown — not stated by the source
Max output current (-12V)Differs	0.3 A	0.5 A
Max output current (+5Vsb)Differs	2.6 A	3 A
EfficiencyDiffers	86.87%	88%
Power protection featuresDiffers	Over current, Over power, Over voltage, Short circuit, Under voltage, Overheating	Over current, Over voltage, Overheating, Short circuit, Under voltage
Combined power (+3.3V)Known for one	Unknown — not stated by the source	130 W
Combined power (+12V)Known for one	Unknown — not stated by the source	432 W
Combined power (+5V)Known for one	Unknown — not stated by the source	130 W
Combined power (-12V)Known for one	Unknown — not stated by the source	6 W
Combined power (+5Vsb)Known for one	Unknown — not stated by the source	15 W
Max output current (+12V1)Known for one	Unknown — not stated by the source	18 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	18 A
Ports & interfaces5 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	5	2
Peripheral (Molex) power connectors (4-pin)Differs	4	6
PCI Express power connectors (6-pin)Differs	2	1
PCI Express power connectors (6+2 pin)Differs	2	1
CPU power connector (4+4 pin)	Yes	Yes
Floppy drive power connector	1	1
Cabling typeDiffers	Non-Modular	Semi-Modular
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Performance2 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certificationDiffers	80 PLUS	80 PLUS Bronze
ATX versionDiffers	2.31	2.3
EPS versionKnown for one	2.92	Unknown — not stated by the source
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
Compatible productsKnown for one	Intel C6	Unknown — not stated by the source
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 location	Side	Side
IlluminationKnown for one	No	Unknown — not stated by the source
LED indicatorsKnown for one	No	Unknown — not stated by the source
On/off switchKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 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
Compliance certificates	RoHS	RoHS
CertificationDiffers	ErP, WEEE	CB, CEE, FCC
Safety regulation & standardsidentical
SafetyKnown for one	CE, CB, TUV, N, S, Fl, D	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	140 mm	150 mm
DepthDiffers	150 mm	165 mm
Height	86 mm	86 mm
WeightKnown for one	Unknown — not stated by the source	2.79 kg
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one	150 x 140 x 86 mm	Unknown — not stated by the source
Parallel processing technology supportKnown for one	Hybrid CrossFireX	Unknown — not stated by the source
Power over Ethernet (PoE)Known for one	No	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Redundant power supply (RPS) supportKnown for one	No	Unknown — not stated by the source
Power rocker switchKnown for one	Yes	Unknown — not stated by the source
Packaging dataidentical
ManualKnown for one	Unknown — not stated by the source	Yes

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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