Product comparison · 2 power supply units

Chieftec CTB-400S power supply unit vs Chieftec GPA-400S8 power supply unit

29specifications compared
7differ
22identical
5known for one product only

Key differences

Combined power (+3.3V)
- CTB-400S power supply unit:120 W
- GPA-400S8 power supply unit:12 W
Combined power (+12V)
- CTB-400S power supply unit:300 W
- GPA-400S8 power supply unit:336 W
Max output current (+3.3V)
- CTB-400S power supply unit:24 A
- GPA-400S8 power supply unit:22 A
Max output current (+5V)
- CTB-400S power supply unit:20 A
- GPA-400S8 power supply unit:18 A
Motherboard power connector
- CTB-400S power supply unit:24-pin ATX
- GPA-400S8 power supply unit:20+4 pin ATX
Peripheral (Molex) power connectors (4-pin)
- CTB-400S power supply unit:3
- GPA-400S8 power supply unit:2

Side by side

Differences highlightedShow differences only

Comparison of CTB-400S, GPA-400S8
34 specifications	A Chieftec CTB-400S power supply unit Model CTB-400S View product	B Chieftec GPA-400S8 power supply unit Model GPA-400S8 View product
Power5 differ
Total power	400 W	400 W
Peak power	400 W	400 W
AC input voltage	230 V	230 V
Combined power (+3.3V)Differs	120 W	12 W
Combined power (+12V)Differs	300 W	336 W
Combined power (+5V)	120 W	120 W
Combined power (-12V)	3.6 W	3.6 W
Combined power (+5Vsb)	12.5 W	12.5 W
Max output current (+3.3V)Differs	24 A	22 A
Max output current (+12V)	18 A	18 A
Max output current (+5V)Differs	20 A	18 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)	2.5 A	2.5 A
Power protection featuresDiffers	Over current, Over voltage, Overload, Short circuit, Under voltage, Overheating	Over current, Over voltage, Overload, Short circuit, Under voltage
Ports & interfaces2 differ
Motherboard power connectorDiffers	24-pin ATX	20+4 pin ATX
Number of SATA power connectors	3	3
Peripheral (Molex) power connectors (4-pin)Differs	3	2
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	1
CPU P4 connector (4-pin)	1	1
Floppy drive power connector	1	1
Cabling type	Non-Modular	Non-Modular
PCI Express power connectors (6-pin)Known for one	1	Unknown — not stated by the source
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certification	80 PLUS	80 PLUS
ATX version	2.3	2.3
Noise level	24 dB	24 dB
Mean time between failures (MTBF)	100000 h	100000 h
Designidentical
Product colour	Grey	Grey
Fan diameter	12 cm	12 cm
Number of fansKnown for one	1 fan(s)	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	FCC, CE, CB
Other featuresidentical
Dimensions (WxDxH)	150 x 140 x 87 mm	150 x 140 x 87 mm

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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