Product comparison · 2 power supply units

be quiet! BN155 power supply unit vs be quiet! E8-CM-680W power supply unit 20+4 pin ATX ATX Black

26specifications compared
10differ
16identical
44known for one product only

Key differences

Total power
- BN155 power supply unit:500 W
- E8-CM-680W power supply unit 20+4 pin ATX ATX Black:680 W
Number of SATA power connectors
- BN155 power supply unit:6
- E8-CM-680W power supply unit 20+4 pin ATX ATX Black:7
Peripheral (Molex) power connectors (4-pin)
- BN155 power supply unit:5
- E8-CM-680W power supply unit 20+4 pin ATX ATX Black:7
PCI Express power connectors (6-pin)
- BN155 power supply unit:1
- E8-CM-680W power supply unit 20+4 pin ATX ATX Black:2
PCI Express power connectors (6+2 pin)
- BN155 power supply unit:1
- E8-CM-680W power supply unit 20+4 pin ATX ATX Black:2
Cabling type
- BN155 power supply unit:Non-Modular
- E8-CM-680W power supply unit 20+4 pin ATX ATX Black:Semi-Modular
Noise level
- BN155 power supply unit:19.1 dB
- E8-CM-680W power supply unit 20+4 pin ATX ATX Black:21.8 dB
Certification
- BN155 power supply unit:CE, CF
- E8-CM-680W power supply unit 20+4 pin ATX ATX Black:ErP, WEEE, RoHS

Side by side

Differences highlightedShow differences only

Comparison of BN155, E8-CM-680W
70 specifications	A be quiet! BN155 power supply unit Model BN155 View product	B be quiet! E8-CM-680W power supply unit 20+4 pin ATX ATX Black Model E8-CM-680W View product
Power3 differ
Total powerDiffers	500 W	680 W
Peak powerKnown for one	Unknown — not stated by the source	750 W
Input currentKnown for one	Unknown — not stated by the source	10 A
Maximum input current (@110V)Differs	+12V,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one	Unknown — not stated by the source	0.99
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Combined power (+3.3V)Known for one	Unknown — not stated by the source	75 W
Combined power (+12V)Known for one	Unknown — not stated by the source	624 W
Combined power (+5V)Known for one	Unknown — not stated by the source	85 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 (+3.3V)Known for one	Unknown — not stated by the source	24 A
Max output current (+12V)Known for one	Unknown — not stated by the source	52 A
Max output current (+5V)Known for one	Unknown — not stated by the source	28 A
Max output current (-12V)Known for one	Unknown — not stated by the source	0.5 A
Max output current (+5Vsb)Known for one	Unknown — not stated by the source	3 A
Hold timeKnown for one	Unknown — not stated by the source	19 ms
Power protection featuresDiffers	Over current, Over power, Over voltage, Short circuit, Under voltage	Over current, Over power, Over voltage, Short circuit, Under voltage, Overheating
Ports & interfaces5 differ
Number of SATA power connectorsDiffers	6	7
Peripheral (Molex) power connectors (4-pin)Differs	5	7
PCI Express power connectors (6-pin)Differs	1	2
PCI Express power connectors (6+2 pin)Differs	1	2
CPU power connectors (8-pin)Known for one	Unknown — not stated by the source	1
Cabling typeDiffers	Non-Modular	Semi-Modular
Monitor outletKnown for one	Unknown — not stated by the source	No
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
Performance1 differ
Noise levelDiffers	19.1 dB	21.8 dB
Bearing technologyKnown for one	Unknown — not stated by the source	FDB
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	100000 h
Compatible productsKnown for one	Unknown — not stated by the source	PC
Designidentical
Cooling typeKnown for one	Unknown — not stated by the source	Active
Fan speedKnown for one	Unknown — not stated by the source	1416
IlluminationKnown for one	Unknown — not stated by the source	No
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Certificates1 differ
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationDiffers	CE, CF	ErP, WEEE, RoHS
Safety regulation & standardsidentical
SafetyKnown for one	Unknown — not stated by the source	CE, CB, TUV, N, S, Fl, D
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	150 mm
DepthKnown for one	Unknown — not stated by the source	160 mm
HeightKnown for one	Unknown — not stated by the source	86 mm
WeightKnown for one	Unknown — not stated by the source	2.28 kg
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	3.12 kg
Case or master carton dimensions (W x D x H)Known for one	Unknown — not stated by the source	661 x 282 x 358 mm
Case or master carton quantityKnown for one	Unknown — not stated by the source	6 pc(s)
Case or master carton weightKnown for one	Unknown — not stated by the source	20 kg
Technical detailsidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Other featuresidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	328 x 248 x 102 mm
Parallel processing technology supportKnown for one	Unknown — not stated by the source	Hybrid CrossFireX, Quad-GPU SLI
Power managementKnown for one	Unknown — not stated by the source	Yes
Power over Ethernet (PoE)Known for one	Unknown — not stated by the source	No
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Redundant power supply (RPS) supportKnown for one	Unknown — not stated by the source	No
Power rocker switchKnown for one	Unknown — not stated by the source	Yes
Dimensions (WxDxH)Known for one	160 x 150 x 86 mm	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.

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