Product comparison · 2 power supply units

Chieftec GPS-550A8 power supply unit vs UNYKAch ATX 500

27specifications compared
15differ
12identical
28known for one product only

Key differences

Total power
- GPS-550A8 power supply unit:550 W
- ATX 500:500 W
AC input voltage
- GPS-550A8 power supply unit:230 V
- ATX 500:110 - 220 V
AC input frequency
- GPS-550A8 power supply unit:47 - 63 Hz
- ATX 500:50 - 60 Hz
Max output current (+3.3V)
- GPS-550A8 power supply unit:18 A
- ATX 500:23 A
Max output current (+5V)
- GPS-550A8 power supply unit:18 A
- ATX 500:23 A
Max output current (-12V)
- GPS-550A8 power supply unit:0.3 A
- ATX 500:0.5 A
Max output current (+5Vsb)
- GPS-550A8 power supply unit:2.5 A
- ATX 500:2 A
Number of SATA power connectors
- GPS-550A8 power supply unit:4
- ATX 500:3

Side by side

Differences highlightedShow differences only

Comparison of GPS-550A8, ATX 500
55 specifications	A Chieftec GPS-550A8 power supply unit Model GPS-550A8 View product	B UNYKAch ATX 500 View product
Power9 differ
Total powerDiffers	550 W	500 W
AC input voltageDiffers	230 V	110 - 220 V
AC input frequencyDiffers	47 - 63 Hz	50 - 60 Hz
Maximum input current (@110V)Differs	+12V,+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	10 A
Power factorKnown for one	0.9	Unknown — not stated by the source
Combined power (+3.3V)Known for one	110 W	Unknown — not stated by the source
Combined power (+12V)Known for one	504 W	Unknown — not stated by the source
Combined power (+5V)Known for one	110 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)Differs	18 A	23 A
Max output current (+12V1)Known for one	42 A	Unknown — not stated by the source
Max output current (+12V2)Known for one	42 A	Unknown — not stated by the source
Max output current (+5V)Differs	18 A	23 A
Max output current (-12V)Differs	0.3 A	0.5 A
Max output current (+5Vsb)Differs	2.5 A	2 A
EfficiencyKnown for one	80%	Unknown — not stated by the source
Power protection featuresDiffers	Over power, Over voltage, Short circuit, Under voltage	Over current, Over power, Over voltage, Overload, Short circuit, Under voltage
Maximum input current (@220V)Known for one	Unknown — not stated by the source	5 A
Max output current (+12V)Known for one	Unknown — not stated by the source	26 A
Ports & interfaces1 differ
Number of SATA power connectorsDiffers	4	3
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Known for one	2	Unknown — not stated by the source
ATX Power connector (24-pin)Known for one	No	Unknown — not stated by the source
ATX Power connector (20-pin)Known for one	No	Unknown — not stated by the source
Floppy drive power connectorKnown for one	1	Unknown — not stated by the source
PCI Express connectorKnown for one	Yes	Unknown — not stated by the source
Motherboard power cable lengthKnown for one	Unknown — not stated by the source	40 cm
CPU P4 connector (4-pin)Known for one	Unknown — not stated by the source	1
Performance1 differ
Power supply unit (PSU) form factorKnown for one	PS/2	Unknown — not stated by the source
ATX versionDiffers	2.3	2.03
Design1 differ
Product colourDiffers	Black	Silver
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	Unknown — not stated by the source	Yes
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	EN60950, CE, TÜV
Weight & dimensions3 differ
WidthDiffers	150 mm	230 mm
DepthDiffers	140 mm	165 mm
HeightDiffers	87 mm	95 mm
WeightKnown for one	Unknown — not stated by the source	1.3 kg
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	1.5 kg
Package typeKnown for one	Unknown — not stated by the source	Box

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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