Product comparison · 2 power supply units

be quiet! BQT E7-600W vs be quiet! Straight Power E9 CM

49specifications compared
26differ
23identical
25known for one product only

Key differences

Total power
- BQT E7-600W:600 W
- Straight Power E9 CM:680 W
Peak power
- BQT E7-600W:670 W
- Straight Power E9 CM:750 W
Input current
- BQT E7-600W:9 A
- Straight Power E9 CM:5 - 10 A
Combined power (+3.3V)
- BQT E7-600W:85 W
- Straight Power E9 CM:160 W
Combined power (+12V)
- BQT E7-600W:540 W
- Straight Power E9 CM:660 W
Combined power (+5V)
- BQT E7-600W:75 W
- Straight Power E9 CM:160 W
Max output current (+3.3V)
- BQT E7-600W:28 A
- Straight Power E9 CM:24 A
Max output current (+12V)
- BQT E7-600W:45 A
- Straight Power E9 CM:55 A

Side by side

Differences highlightedShow differences only

Comparison of BQT E7-600W, Straight Power E9 CM
74 specifications	A be quiet! BQT E7-600W View product	B be quiet! Straight Power E9 CM View product
Power12 differ
Total powerDiffers	600 W	680 W
Peak powerDiffers	670 W	750 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	9 A	5 - 10 A
Maximum input current (@110V)Differs	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+12V3,+12V4,+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	160 W
Combined power (+12V)Differs	540 W	660 W
Combined power (+5V)Differs	75 W	160 W
Combined power (-12V)Known for one	6 W	Unknown — not stated by the source
Combined power (+5Vsb)Known for one	15 W	Unknown — not stated by the source
Max output current (+3.3V)Differs	28 A	24 A
Max output current (+12V)Differs	45 A	55 A
Max output current (+5V)Differs	25 A	28 A
Max output current (-12V)	0.5 A	0.5 A
Max output current (+5Vsb)	3 A	3 A
EfficiencyDiffers	89%	93%
Hold time	19 ms	19 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	18 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	18 A
Max output current (+12V3)Known for one	Unknown — not stated by the source	22 A
Max output current (+12V4)Known for one	Unknown — not stated by the source	22 A
Ports & interfaces4 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	6	9
Peripheral (Molex) power connectors (4-pin)Differs	5	6
PCI Express power connectors (6-pin)Known for one	1	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Differs	2	4
CPU P4 connector (4-pin)	1	1
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
Performance4 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certificationDiffers	80 PLUS Bronze	80 PLUS Gold
ATX versionDiffers	2.3	2.31
EPS version	2.92	2.92
Noise levelDiffers	24 dB	23.6 dB
Bearing technology	FDB	FDB
Mean time between failures (MTBF)Differs	100000 h	300000 h
Compatible productsKnown for one	Intel C6	Unknown — not stated by the source
Design3 differ
Product colourDiffers	Black, Grey	Black
Cooling type	Active	Active
Fan diameterDiffers	12 cm	13.5 cm
Number of fans	1 fan(s)	1 fan(s)
Fan speedDiffers	2500	1390
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	CE, CB, TÜV, Semko (S)
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	2.66 kg
Packaging dataidentical
Package weight	3.08 kg	3.08 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	248 x 328 x 102 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	13.7 dB
Noise level (quiet mode, 50%)Known for one	Unknown — not stated by the source	13.7 dB
Noise level (full-load mode, 100%)Known for one	Unknown — not stated by the source	23.6 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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