Product comparison · 2 power supply units

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

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

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
Combined power (+3.3V)Differs	120 W	12 W
Combined power (+12V)Differs	300 W	336 W
Max output current (+3.3V)Differs	24 A	22 A
Max output current (+5V)Differs	20 A	18 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
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
PCI Express power connectors (6-pin)Known for one	1	Unknown — not stated by the source
Designidentical
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

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.