Product comparison · 2 power supply units

Chieftec CPS-500S power supply unit vs Chieftec GPB-300S power supply unit

32specifications compared
15differ
17identical
9known for one product only

Key differences

Total power
- CPS-500S power supply unit:500 W
- GPB-300S power supply unit:300 W
AC input voltage
- CPS-500S power supply unit:230 V
- GPB-300S power supply unit:200 - 240 V
AC input frequency
- CPS-500S power supply unit:50 Hz
- GPB-300S power supply unit:47 - 63 Hz
Combined power (+3.3V)
- CPS-500S power supply unit:103 W
- GPB-300S power supply unit:90 W
Combined power (+5V)
- CPS-500S power supply unit:103 W
- GPB-300S power supply unit:90 W
Max output current (+3.3V)
- CPS-500S power supply unit:21 A
- GPB-300S power supply unit:16 A
Max output current (+12V1)
- CPS-500S power supply unit:37.5 A
- GPB-300S power supply unit:22 A
Max output current (+5V)
- CPS-500S power supply unit:20 A
- GPB-300S power supply unit:15 A

Side by side

Differences highlightedShow differences only

Comparison of CPS-500S, GPB-300S
41 specifications	A Chieftec CPS-500S power supply unit Model CPS-500S View product	B Chieftec GPB-300S power supply unit Model GPB-300S View product
Power8 differ
Total powerDiffers	500 W	300 W
AC input voltageDiffers	230 V	200 - 240 V
AC input frequencyDiffers	50 Hz	47 - 63 Hz
Input currentKnown for one	Unknown — not stated by the source	3 A
Power factor	0.9	0.9
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	103 W	90 W
Combined power (+12V)Known for one	Unknown — not stated by the source	264 W
Combined power (+5V)Differs	103 W	90 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	12.5 W
Max output current (+3.3V)Differs	21 A	16 A
Max output current (+12V1)Differs	37.5 A	22 A
Max output current (+5V)Differs	20 A	15 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)	2.5 A	2.5 A
Efficiency	85%	85%
Power protection features	Over voltage, Overload, Short circuit, Under voltage	Over voltage, Overload, Short circuit, Under voltage
Maximum input current (@110V)Known for one	+12V1,+3.3V,+5V,+5Vsb	Unknown — not stated by the source
Ports & interfaces3 differ
Motherboard power connectorDiffers	24-pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	4	3
Peripheral (Molex) power connectors (4-pin)Differs	2	3
Cabling type	Non-Modular	Non-Modular
PCI Express power connectors (6+2 pin)Known for one	2	Unknown — not stated by the source
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factor	PS/2	PS/2
ATX version	2.3	2.3
Design1 differ
Product colourDiffers	Black	Silver
Cooling type	Active	Active
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Fan location	Top	Top
On/off switch	Yes	Yes
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Weight & dimensions3 differ
WidthDiffers	150 mm	140 mm
DepthDiffers	140 mm	150 mm
HeightDiffers	86 mm	87 mm
Packaging dataidentical
Manual	Yes	Yes
Package typeKnown for one	Unknown — not stated by the source	Box
Other featuresidentical
Warranty card	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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