Product comparison · 2 power supply units

Chieftec CPS-400S power supply unit vs Chieftec GPM-650S power supply unit

29specifications compared
13differ
16identical
11known for one product only

Key differences

Total power
- CPS-400S power supply unit:400 W
- GPM-650S power supply unit:650 W
AC input voltage
- CPS-400S power supply unit:230 V
- GPM-650S power supply unit:100 - 240 V
AC input frequency
- CPS-400S power supply unit:50 Hz
- GPM-650S power supply unit:50 - 60 Hz
Combined power (+3.3V)
- CPS-400S power supply unit:103 W
- GPM-650S power supply unit:120 W
Combined power (+5V)
- CPS-400S power supply unit:103 W
- GPM-650S power supply unit:120 W
Max output current (+3.3V)
- CPS-400S power supply unit:21 A
- GPM-650S power supply unit:22 A
Max output current (+5V)
- CPS-400S power supply unit:15 A
- GPM-650S power supply unit:22 A
Max output current (+5Vsb)
- CPS-400S power supply unit:2.5 A
- GPM-650S power supply unit:3 A

Side by side

Differences highlightedShow differences only

Comparison of CPS-400S, GPM-650S
40 specifications	A Chieftec CPS-400S power supply unit Model CPS-400S View product	B Chieftec GPM-650S power supply unit Model GPM-650S View product
Power10 differ
Total powerDiffers	400 W	650 W
AC input voltageDiffers	230 V	100 - 240 V
AC input frequencyDiffers	50 Hz	50 - 60 Hz
Maximum input current (@110V)Known for one	+12V1,+3.3V,+5V,+5Vsb	Unknown — not stated by the source
Combined power (+3.3V)Differs	103 W	120 W
Combined power (+5V)Differs	103 W	120 W
Max output current (+3.3V)Differs	21 A	22 A
Max output current (+12V1)Known for one	30 A	Unknown — not stated by the source
Max output current (+5V)Differs	15 A	22 A
Max output current (+5Vsb)Differs	2.5 A	3 A
EfficiencyDiffers	85%	87%
Power protection featuresDiffers	Over voltage, Overload, Short circuit, Under voltage	Over current, Over voltage, Overheating, Overload, Short circuit, Under voltage
Ports & interfaces1 differ
Number of SATA power connectorsDiffers	4	7
PCI Express power connectors (6-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
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	2
Performanceidentical
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS Gold
Weight & dimensions2 differ
WidthDiffers	150 mm	140 mm
DepthDiffers	140 mm	150 mm
Packaging dataidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	CE, CB, FCC

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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