Product comparison · 2 power supply units

Chieftec GPS-450A8 power supply unit vs FSP AU-550M power supply unit

20specifications compared
11differ
9identical
27known for one product only

Key differences

Total power
- GPS-450A8 power supply unit:450 W
- AU-550M power supply unit:550 W
AC input voltage
- GPS-450A8 power supply unit:230 V
- AU-550M power supply unit:90 - 264 V
Number of SATA power connectors
- GPS-450A8 power supply unit:3
- AU-550M power supply unit:7
Peripheral (Molex) power connectors (4-pin)
- GPS-450A8 power supply unit:2
- AU-550M power supply unit:4
PCI Express power connectors (6+2 pin)
- GPS-450A8 power supply unit:1
- AU-550M power supply unit:4
Cabling type
- GPS-450A8 power supply unit:Non-Modular
- AU-550M power supply unit:Semi-Modular
Power supply unit (PSU) form factor
- GPS-450A8 power supply unit:PS/2
- AU-550M power supply unit:ATX
Width
- GPS-450A8 power supply unit:140 mm
- AU-550M power supply unit:150 mm

Side by side

Differences highlightedShow differences only

Comparison of GPS-450A8, AU-550M
47 specifications	A Chieftec GPS-450A8 power supply unit Model GPS-450A8 View product	B FSP AU-550M power supply unit Model AU-550M View product
Power3 differ
Total powerDiffers	450 W	550 W
AC input voltageDiffers	230 V	90 - 264 V
AC input frequencyKnown for one	47 - 63 Hz	Unknown — not stated by the source
Maximum input current (@110V)	+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one	0.9	Unknown — not stated by the source
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Known for one	120 W	Unknown — not stated by the source
Combined power (+12V)Known for one	360 W	Unknown — not stated by the source
Combined power (+5V)Known for one	120 W	Unknown — not stated by the source
Combined power (-12V)Known for one	3.6 W	Unknown — not stated by the source
Combined power (+5Vsb)Known for one	12.5 W	Unknown — not stated by the source
Max output current (+3.3V)Known for one	22 A	Unknown — not stated by the source
Max output current (+12V1)Known for one	21 A	Unknown — not stated by the source
Max output current (+12V2)Known for one	18 A	Unknown — not stated by the source
Max output current (+5V)Known for one	18 A	Unknown — not stated by the source
Max output current (-12V)Known for one	0.3 A	Unknown — not stated by the source
Max output current (+5Vsb)Known for one	2.5 A	Unknown — not stated by the source
EfficiencyKnown for one	80%	Unknown — not stated by the source
Power protection featuresDiffers	Over power, Over voltage, Short circuit, Under voltage	Over current, Over voltage, Short circuit
Ports & interfaces4 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	3	7
Peripheral (Molex) power connectors (4-pin)Differs	2	4
EPS power connector (8-pin)Known for one	No	Unknown — not stated by the source
PCI Express power connectors (6-pin)Known for one	0	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Differs	1	4
Floppy disk drive connectorKnown for one	Yes	Unknown — not stated by the source
Floppy drive power connector	1	1
PCI Express connectorKnown for one	Yes	Unknown — not stated by the source
Cabling typeDiffers	Non-Modular	Semi-Modular
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factorDiffers	PS/2	ATX
ATX versionKnown for one	2.3	Unknown — not stated by the source
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS Gold
Noise levelKnown for one	Unknown — not stated by the source	21 dB
Designidentical
Product colour	Black	Black
Cooling type	Active	Active
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
IlluminationKnown for one	No	Unknown — not stated by the source
LED indicatorsKnown for one	No	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Fan locationKnown for one	Unknown — not stated by the source	Side
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	140 mm	150 mm
DepthDiffers	150 mm	160 mm
HeightDiffers	87 mm	86 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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