Product comparison · 2 power supply units

be quiet! BQT L7-430W vs be quiet! Straight Power E8 CM

54specifications compared
24differ
30identical
13known for one product only

Key differences

Total power
- BQT L7-430W:430 W
- Straight Power E8 CM:480 W
Peak power
- BQT L7-430W:480 W
- Straight Power E8 CM:550 W
Input current
- BQT L7-430W:7 A
- Straight Power E8 CM:8 A
Combined power (+12V)
- BQT L7-430W:360 W
- Straight Power E8 CM:420 W
Combined power (+5V)
- BQT L7-430W:120 W
- Straight Power E8 CM:140 W
Max output current (+12V)
- BQT L7-430W:30 A
- Straight Power E8 CM:35 A
Max output current (+5V)
- BQT L7-430W:16 A
- Straight Power E8 CM:22 A
Max output current (+5Vsb)
- BQT L7-430W:2.5 A
- Straight Power E8 CM:3 A

Side by side

Differences highlightedShow differences only

Comparison of BQT L7-430W, Straight Power E8 CM
67 specifications	A be quiet! BQT L7-430W View product	B be quiet! Straight Power E8 CM View product
Power10 differ
Total powerDiffers	430 W	480 W
Peak powerDiffers	480 W	550 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	7 A	8 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)Known for one	Unknown — not stated by the source	140 W
Combined power (+12V)Differs	360 W	420 W
Combined power (+5V)Differs	120 W	140 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)	24 A	24 A
Max output current (+12V)Differs	30 A	35 A
Max output current (+5V)Differs	16 A	22 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)Differs	2.5 A	3 A
EfficiencyDiffers	87%	89%
Hold timeKnown for one	Unknown — not stated by the source	17 ms
Power protection features	Over current, Over power, Over voltage, Short circuit, Under voltage, Overheating	Over current, Over power, Over voltage, Short circuit, Under voltage, Overheating
Ports & interfaces4 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	4	5
Peripheral (Molex) power connectors (4-pin)Differs	3	5
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	1
PCI Express power connectors (6+2 pin)	1	1
CPU P4 connector (4-pin)	1	1
Floppy drive power connectorDiffers	1	2
Connector(s)	IEC C14	IEC C14
Cabling typeDiffers	Non-Modular	Semi-Modular
Performance3 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certificationDiffers	80 PLUS	80 PLUS Silver
ATX version	2.3	2.3
EPS version	2.92	2.92
Noise levelDiffers	23 dB	18.9 dB
Bearing technologyKnown for one	Unknown — not stated by the source	FDB
Mean time between failures (MTBF)	100000 h	100000 h
Compatible productsDiffers	Intel C6	Multi-GPU, NVIDIA Hybrid, AMD / ATI CrossFire
Design1 differ
Product colour	Black	Black
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Fan speedDiffers	1650	1251
Fan location	Side	Side
LED indicators	No	No
Cooling typeKnown for one	Active	Unknown — not stated by the source
IlluminationKnown 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, RoHS, Energy Star 5.0
Safety regulation & standardsidentical
Safety	CE, CB, TUV, N, S, Fl, D	CE, CB, TUV, N, S, Fl, D
Weight & dimensions1 differ
WeightDiffers	1.38 kg	2.26 kg
WidthKnown for one	140 mm	Unknown — not stated by the source
DepthKnown for one	150 mm	Unknown — not stated by the source
HeightKnown for one	86 mm	Unknown — not stated by the source
Packaging data1 differ
Package weightDiffers	1.93 kg	3.03 kg
Case or master carton quantityKnown for one	6 pc(s)	Unknown — not stated by the source
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other features2 differ
Dimensions (WxDxH)Differs	140 x 150 x 86 mm	160 x 150 x 86 mm
Package dimensions (WxDxH)Differs	176 x 160 x 145 mm	333 x 248 x 102 mm
Parallel processing technology support	Hybrid CrossFireX	Hybrid CrossFireX
Power management	Yes	Yes
Power over Ethernet (PoE)	No	No
Power supply type	AC/DC	AC/DC
Redundant power supply (RPS) support	No	No
Supported protocolsKnown for one	Unknown — not stated by the source	Intel C6
Power rocker switch	Yes	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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