Product comparison · 2 power supply units

be quiet! BQT E7-600W vs be quiet! Pure Power L8 CM

49specifications compared
25differ
24identical
23known for one product only

Key differences

Total power
- BQT E7-600W:600 W
- Pure Power L8 CM:430 W
Peak power
- BQT E7-600W:670 W
- Pure Power L8 CM:480 W
Input current
- BQT E7-600W:9 A
- Pure Power L8 CM:4 - 8 A
Combined power (+3.3V)
- BQT E7-600W:85 W
- Pure Power L8 CM:120 W
Combined power (+12V)
- BQT E7-600W:540 W
- Pure Power L8 CM:396 W
Combined power (+5V)
- BQT E7-600W:75 W
- Pure Power L8 CM:120 W
Combined power (-12V)
- BQT E7-600W:6 W
- Pure Power L8 CM:3.6 W
Max output current (+3.3V)
- BQT E7-600W:28 A
- Pure Power L8 CM:24 A

Side by side

Differences highlightedShow differences only

Comparison of BQT E7-600W, Pure Power L8 CM
72 specifications	A be quiet! BQT E7-600W View product	B be quiet! Pure Power L8 CM View product
Power14 differ
Total powerDiffers	600 W	430 W
Peak powerDiffers	670 W	480 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	9 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)Differs	85 W	120 W
Combined power (+12V)Differs	540 W	396 W
Combined power (+5V)Differs	75 W	120 W
Combined power (-12V)Differs	6 W	3.6 W
Combined power (+5Vsb)	15 W	15 W
Max output current (+3.3V)Differs	28 A	24 A
Max output current (+12V)Differs	45 A	33 A
Max output current (+5V)Differs	25 A	15 A
Max output current (-12V)Differs	0.5 A	0.3 A
Max output current (+5Vsb)	3 A	3 A
EfficiencyDiffers	89%	88%
Hold timeDiffers	19 ms	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
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
Ports & interfaces4 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	6	4
Peripheral (Molex) power connectors (4-pin)Differs	5	3
PCI Express power connectors (6-pin)	1	1
PCI Express power connectors (6+2 pin)Differs	2	1
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
CPU power connector (4+4 pin)	Yes	Yes
Floppy drive power connectorDiffers	2	1
Connector(s)Known for one	IEC C14	Unknown — not stated by the source
Cabling typeKnown for one	Unknown — not stated by the source	Semi-Modular
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certification	80 PLUS Bronze	80 PLUS Bronze
ATX version	2.3	2.3
EPS versionKnown for one	2.92	Unknown — not stated by the source
Noise levelDiffers	24 dB	20.1 dB
Bearing technologyKnown for one	FDB	Unknown — not stated by the source
Mean time between failures (MTBF)	100000 h	100000 h
Compatible productsKnown for one	Intel C6	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Black, Grey	Black
Cooling type	Active	Active
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Fan speedDiffers	2500	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 conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Certificates1 differ
Compliance certificates	RoHS	RoHS
CertificationDiffers	WEEE, RoHS, ErP	ErP, WEEE, CE, CB, TUV
Safety regulation & standardsidentical
SafetyKnown for one	CE, CB, TUV, N, S, Fl, D	Unknown — not stated by the source
Weight & dimensions1 differ
Width	150 mm	150 mm
Depth	160 mm	160 mm
Height	86 mm	86 mm
WeightDiffers	2.3 kg	1.7 kg
Packaging data1 differ
Package weightDiffers	3.08 kg	2.45 kg
Case or master carton dimensions (W x D x H)Known for one	285 x 360 x 660 mm	Unknown — not stated by the source
Case or master carton weightKnown for one	20 kg	Unknown — not stated by the source
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other features1 differ
Dimensions (WxDxH)Known for one	150 x 160 x 86 mm	Unknown — not stated by the source
Package dimensions (WxDxH)Differs	250 x 100 x 330 mm	105 x 230 x 280 mm
Parallel processing technology supportKnown for one	Hybrid CrossFireX, Quad-GPU SLI	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
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

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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