Product comparison · 2 power supply units

be quiet! Straight Power E8 CM vs CLUB3D CSP-S400 power supply unit

16specifications compared
9differ
7identical
48known for one product only

Key differences

Total power
- Straight Power E8 CM:480 W
- CSP-S400 power supply unit:400 W
Efficiency
- Straight Power E8 CM:89%
- CSP-S400 power supply unit:80%
Number of SATA power connectors
- Straight Power E8 CM:5
- CSP-S400 power supply unit:4
Peripheral (Molex) power connectors (4-pin)
- Straight Power E8 CM:5
- CSP-S400 power supply unit:3
Floppy drive power connector
- Straight Power E8 CM:2
- CSP-S400 power supply unit:1
Product colour
- Straight Power E8 CM:Black
- CSP-S400 power supply unit:Black, Yellow
Dimensions (WxDxH)
- Straight Power E8 CM:160 x 150 x 86 mm
- CSP-S400 power supply unit:150 x 140 x 86 mm

Side by side

Differences highlightedShow differences only

Comparison of Straight Power E8 CM, CSP-S400
64 specifications	A be quiet! Straight Power E8 CM View product	B CLUB3D CSP-S400 power supply unit Model CSP-S400 View product
Power3 differ
Total powerDiffers	480 W	400 W
Peak powerKnown for one	550 W	Unknown — not stated by the source
Input currentKnown for one	8 A	Unknown — not stated by the source
Maximum input current (@110V)Known for one	+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V	Unknown — not stated by the source
Power factorKnown for one	0.99	Unknown — not stated by the source
Power Factor Correction (PFC) typeKnown for one	Active	Unknown — not stated by the source
Combined power (+3.3V)Known for one	140 W	Unknown — not stated by the source
Combined power (+12V)Known for one	420 W	Unknown — not stated by the source
Combined power (+5V)Known for one	140 W	Unknown — not stated by the source
Combined power (-12V)Known for one	3.6 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)Known for one	24 A	Unknown — not stated by the source
Max output current (+12V)Known for one	35 A	Unknown — not stated by the source
Max output current (+5V)Known for one	22 A	Unknown — not stated by the source
Max output current (-12V)Known for one	0.3 A	Unknown — not stated by the source
Max output current (+5Vsb)Known for one	3 A	Unknown — not stated by the source
EfficiencyDiffers	89%	80%
Power protection featuresDiffers	Over current, Over power, Over voltage, Short circuit, Under voltage, Overheating	Over current, Over power, Over voltage, Short circuit, Under voltage
Ports & interfaces3 differ
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsDiffers	5	4
Peripheral (Molex) power connectors (4-pin)Differs	5	3
PCI Express power connectors (6-pin)Known for one	1	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Known for one	1	Unknown — not stated by the source
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
Floppy drive power connectorDiffers	2	1
Connector(s)Known for one	IEC C14	Unknown — not stated by the source
Cabling typeKnown for one	Semi-Modular	Unknown — not stated by the source
PCI Express power connectors (8-pin)Known for one	Unknown — not stated by the source	1
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
ATX power connector (20+4 pin)Known for one	Unknown — not stated by the source	Yes
Performanceidentical
PurposeKnown for one	PC	Unknown — not stated by the source
80 PLUS certificationKnown for one	80 PLUS Silver	Unknown — not stated by the source
ATX versionKnown for one	2.3	Unknown — not stated by the source
EPS versionKnown for one	2.92	Unknown — not stated by the source
Noise levelKnown for one	18.9 dB	Unknown — not stated by the source
Bearing technologyKnown for one	FDB	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Compatible productsKnown for one	Multi-GPU, NVIDIA Hybrid, AMD / ATI CrossFire	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Black	Black, Yellow
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan speedKnown for one	1251	Unknown — not stated by the source
Fan locationKnown for one	Side	Unknown — not stated by the source
LED indicatorsKnown for one	No	Unknown — not stated by the source
Certificates1 differ
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationDiffers	ErP, WEEE, RoHS, Energy Star 5.0	CE, 80Plus
Safety regulation & standardsidentical
SafetyKnown for one	CE, CB, TUV, N, S, Fl, D	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	2.26 kg	Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	3.03 kg	Unknown — not stated by the source
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	160 x 150 x 86 mm	150 x 140 x 86 mm
Package dimensions (WxDxH)Known for one	333 x 248 x 102 mm	Unknown — not stated by the source
Parallel processing technology supportKnown for one	Hybrid CrossFireX	Unknown — not stated by the source
Power managementKnown for one	Yes	Unknown — not stated by the source
Power over Ethernet (PoE)Known for one	No	Unknown — not stated by the source
Redundant power supply (RPS) supportKnown for one	No	Unknown — not stated by the source
Supported protocolsKnown for one	Intel C6	Unknown — not stated by the source
Power rocker switchKnown for one	Yes	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