Product comparison · 2 power supply units

Chieftec APS-350S power supply unit vs Chieftec APS-550S power supply unit

10specifications compared
5differ
5identical
11known for one product only

Key differences

Total power
- APS-350S power supply unit:350 W
- APS-550S power supply unit:550 W
Number of SATA power connectors
- APS-350S power supply unit:3
- APS-550S power supply unit:4
Peripheral (Molex) power connectors (4-pin)
- APS-350S power supply unit:3
- APS-550S power supply unit:Yes
Dimensions (WxDxH)
- APS-350S power supply unit:150 x 160 x 85 mm
- APS-550S power supply unit:155 x 150 x 85 mm

Side by side

Differences highlightedShow differences only

Comparison of APS-350S, APS-550S
21 specifications	A Chieftec APS-350S power supply unit Model APS-350S View product	B Chieftec APS-550S power supply unit Model APS-550S View product
Power2 differ
Total powerDiffers	350 W	550 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Input currentKnown for one	0.3 A	Unknown — not stated by the source
Efficiency	80%	80%
Power protection featuresDiffers	Over current, Over voltage, Short circuit, Under voltage, Overload	Over current, Over voltage
Ports & interfaces2 differ
Number of SATA power connectorsDiffers	3	4
Peripheral (Molex) power connectors (4-pin)Differs	3	Yes
ATX Power connector (24-pin)	Yes	Yes
Floppy drive power connector	1	1
Cabling type	Non-Modular	Non-Modular
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	Yes
ATX power connector (20+4 pin)Known for one	Unknown — not stated by the source	Yes
Designidentical
Product colourKnown for one	Grey	Unknown — not stated by the source
Fan diameterKnown for one	Unknown — not stated by the source	14 cm
Other features1 differ
Dimensions (WxDxH)Differs	150 x 160 x 85 mm	155 x 150 x 85 mm
Maximum currentKnown for one	25 A	Unknown — not stated by the source
Output voltage noteKnown for one	3.3V, 5V, 12V	Unknown — not stated by the source
Ports quantityKnown for one	10	Unknown — not stated by the source
Power over Ethernet (PoE)Known for one	Unknown — not stated by the source	No
Redundant power supply (RPS) supportKnown for one	Unknown — not stated by the source	No

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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