Product comparison · 2 power supply units

Chieftec GPA-400B8 power supply unit vs Chieftec GPA-450B8 power supply unit

Key differences

Total power
- GPA-400B8 power supply unit:400 W
- GPA-450B8 power supply unit:450 W
Combined power (+3.3V)
- GPA-400B8 power supply unit:100 W
- GPA-450B8 power supply unit:110 W
Combined power (+5V)
- GPA-400B8 power supply unit:100 W
- GPA-450B8 power supply unit:110 W
Max output current (+3.3V)
- GPA-400B8 power supply unit:16 A
- GPA-450B8 power supply unit:18 A
Max output current (+12V1)
- GPA-400B8 power supply unit:30 A
- GPA-450B8 power supply unit:38 A
Max output current (+5V)
- GPA-400B8 power supply unit:16 A
- GPA-450B8 power supply unit:18 A

Differences highlightedShow differences only

Comparison of GPA-400B8, GPA-450B8
30 specifications	A Chieftec GPA-400B8 power supply unit Model GPA-400B8 View product	B Chieftec GPA-450B8 power supply unit Model GPA-450B8 View product
Power6 differ
Total powerDiffers	400 W	450 W
AC input voltage	230 V	230 V
AC input frequency	47 - 63 Hz	47 - 63 Hz
Input currentKnown for one	3 A	Unknown — not stated by the source
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	100 W	110 W
Combined power (+5V)Differs	100 W	110 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	16 A	18 A
Max output current (+12V1)Differs	30 A	38 A
Max output current (+5V)Differs	16 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 features	Over voltage, Overload, Short circuit, Under voltage	Over voltage, Overload, Short circuit, Under voltage
Ports & interfacesidentical
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectors	3	3
Peripheral (Molex) power connectors (4-pin)	2	2
PCI Express power connectors (6+2 pin)	1	1
CPU power connector (4+4 pin)	Yes	Yes
Floppy drive power connector	1	1
Cabling type	Non-Modular	Non-Modular
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factor	PS/2	PS/2
Designidentical
Product colour	Metallic	Metallic
Fan diameter	12 cm	12 cm
Certificatesidentical
Compliance certificates	RoHS	RoHS
Weight & dimensionsidentical
Width	150 mm	150 mm
Depth	140 mm	140 mm
Height	87 mm	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.