Product comparison · 2 power supply units

Chieftec GPB-500S power supply unit vs Chieftec PSF-400B power supply unit

33specifications compared
18differ
15identical
13known for one product only

Key differences

Total power
- GPB-500S power supply unit:500 W
- PSF-400B power supply unit:400 W
AC input voltage
- GPB-500S power supply unit:200 - 240 V
- PSF-400B power supply unit:100 - 240 V
Combined power (+3.3V)
- GPB-500S power supply unit:110 W
- PSF-400B power supply unit:100 W
Combined power (+12V)
- GPB-500S power supply unit:456 W
- PSF-400B power supply unit:360 W
Combined power (+5V)
- GPB-500S power supply unit:110 W
- PSF-400B power supply unit:100 W
Max output current (+3.3V)
- GPB-500S power supply unit:18 A
- PSF-400B power supply unit:16 A
Max output current (+12V1)
- GPB-500S power supply unit:38 A
- PSF-400B power supply unit:30 A
Max output current (+5V)
- GPB-500S power supply unit:17 A
- PSF-400B power supply unit:15 A

Side by side

Differences highlightedShow differences only

Comparison of GPB-500S, PSF-400B
46 specifications	A Chieftec GPB-500S power supply unit Model GPB-500S View product	B Chieftec PSF-400B power supply unit Model PSF-400B View product
Power10 differ
Total powerDiffers	500 W	400 W
AC input voltageDiffers	200 - 240 V	100 - 240 V
Input currentKnown for one	4 A	Unknown — not stated by the source
Power factorKnown for one	0.9	Unknown — not stated by the source
Combined power (+3.3V)Differs	110 W	100 W
Combined power (+12V)Differs	456 W	360 W
Combined power (+5V)Differs	110 W	100 W
Max output current (+3.3V)Differs	18 A	16 A
Max output current (+12V1)Differs	38 A	30 A
Max output current (+5V)Differs	17 A	15 A
EfficiencyDiffers	85%	87%
Power protection featuresDiffers	Over voltage, Overload, Short circuit, Under voltage	Overload, Short circuit
Ports & interfaces2 differ
Motherboard power connectorDiffers	20+4 pin ATX	24-pin ATX
Number of SATA power connectorsDiffers	5	4
PCI Express power connectors (6+2 pin)Known for one	1	Unknown — not stated by the source
Motherboard power cable lengthKnown for one	Unknown — not stated by the source	45 cm
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	1
Floppy drive power connectorKnown for one	Unknown — not stated by the source	1
Performance1 differ
Power supply unit (PSU) form factorDiffers	PS/2	ATX
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS Bronze
Design3 differ
Product colourDiffers	Silver	Metallic
Fan diameterDiffers	12 cm	8 cm
Fan locationDiffers	Top	Side
On/off switchKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	140 mm	150 mm
DepthDiffers	150 mm	140 mm
Packaging dataidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Package typeKnown for one	Box	Unknown — not stated by the source
Other featuresidentical
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

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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