Product comparison · 2 power supply units

be quiet! BQT L7-730W vs be quiet! Pure Power L8 CM

38specifications compared
19differ
19identical
30known for one product only

Key differences

Total power
- BQT L7-730W:730 W
- Pure Power L8 CM:430 W
Input current
- BQT L7-730W:10 A
- Pure Power L8 CM:4 - 8 A
Max output current (+3.3V)
- BQT L7-730W:17.9 A
- Pure Power L8 CM:24 A
Max output current (+12V)
- BQT L7-730W:48.5 A
- Pure Power L8 CM:33 A
Max output current (+5V)
- BQT L7-730W:14.4 A
- Pure Power L8 CM:15 A
Max output current (+5Vsb)
- BQT L7-730W:2.6 A
- Pure Power L8 CM:3 A
Efficiency
- BQT L7-730W:86.87%
- Pure Power L8 CM:88%
Number of SATA power connectors
- BQT L7-730W:5
- Pure Power L8 CM:4

Side by side

Differences highlightedShow differences only

Comparison of BQT L7-730W, Pure Power L8 CM
68 specifications	A be quiet! BQT L7-730W View product	B be quiet! Pure Power L8 CM View product
Power8 differ
Total powerDiffers	730 W	430 W
Peak powerKnown for one	Unknown — not stated by the source	480 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	10 A	4 - 8 A
Maximum input current (@110V)	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factor	0.99	0.99
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Known for one	Unknown — not stated by the source	120 W
Combined power (+12V)Known for one	Unknown — not stated by the source	396 W
Combined power (+5V)Known for one	Unknown — not stated by the source	120 W
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	15 W
Max output current (+3.3V)Differs	17.9 A	24 A
Max output current (+12V)Differs	48.5 A	33 A
Max output current (+12V1)Known for one	Unknown — not stated by the source	22 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	20 A
Max output current (+5V)Differs	14.4 A	15 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)Differs	2.6 A	3 A
EfficiencyDiffers	86.87%	88%
Hold timeKnown for one	Unknown — not stated by the source	14 ms
Power protection featuresDiffers	Over current, Over power, Over voltage, Short circuit, Under voltage, Overheating	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces5 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	5	4
Peripheral (Molex) power connectors (4-pin)Differs	4	3
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
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
Noise levelKnown for one	Unknown — not stated by the source	20.1 dB
Mean time between failures (MTBF)	100000 h	100000 h
EPS versionKnown for one	2.92	Unknown — not stated by the source
Bearing technologyKnown for one	FDB	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 speedKnown for one	Unknown — not stated by the source	1229
Fan locationKnown for one	Side	Unknown — not stated by the source
IlluminationKnown for one	No	Unknown — not stated by the source
LED indicatorsKnown for one	No	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 40 °C	0 - 40 °C
Certificates1 differ
Compliance certificates	RoHS	RoHS
CertificationDiffers	ErP, WEEE	ErP, WEEE, CE, CB, TUV
Weight & dimensions2 differ
WidthDiffers	140 mm	150 mm
DepthDiffers	150 mm	160 mm
Height	86 mm	86 mm
WeightKnown for one	Unknown — not stated by the source	1.7 kg
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	2.45 kg
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other featuresidentical
Noise level (silent mode, <30%)Known for one	Unknown — not stated by the source	16.2 dB
Noise level (quiet mode, 50%)Known for one	Unknown — not stated by the source	16.8 dB
Noise level (full-load mode, 100%)Known for one	Unknown — not stated by the source	20.1 dB
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	105 x 230 x 280 mm
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
Safety regulation & standardsidentical
SafetyKnown for one	CE, CB, TUV, N, S, Fl, D	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.

More power supply unit comparisons

All power supply unit comparisons