Product comparison · 2 power supply units

COUGAR A300 power supply unit vs COUGAR CMX 550W ATX

12specifications compared
8differ
4identical
31known for one product only

Key differences

Total power
- A300 power supply unit:300 W
- CMX 550W ATX:550 W
Number of SATA power connectors
- A300 power supply unit:4
- CMX 550W ATX:6
Peripheral (Molex) power connectors (4-pin)
- A300 power supply unit:3
- CMX 550W ATX:5
PCI Express power connectors (6-pin)
- A300 power supply unit:1
- CMX 550W ATX:2
Cabling type
- A300 power supply unit:Non-Modular
- CMX 550W ATX:Semi-Modular
Product colour
- A300 power supply unit:Black
- CMX 550W ATX:Black, Orange
Certification
- A300 power supply unit:2009/125/EC (ErP)
- CMX 550W ATX:CE, FC, CB
Dimensions (WxDxH)
- A300 power supply unit:140 x 150 x 86 mm
- CMX 550W ATX:160 x 150 x 86 mm

Side by side

Differences highlightedShow differences only

Comparison of A300, CMX 550W ATX
43 specifications	A COUGAR A300 power supply unit Model A300 View product	B COUGAR CMX 550W ATX View product
Power1 differ
Total powerDiffers	300 W	550 W
AC input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentKnown for one	5 A	Unknown — not stated by the source
Maximum input current (@110V)Known for one	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	Unknown — not stated by the source
Combined power (+3.3V)Known for one	103 W	Unknown — not stated by the source
Combined power (+12V)Known for one	228 W	Unknown — not stated by the source
Combined power (+5V)Known for one	103 W	Unknown — not stated by the source
Max output current (+3.3V)Known for one	21 A	Unknown — not stated by the source
Max output current (+12V)Known for one	25 A	Unknown — not stated by the source
Max output current (+5V)Known for one	15 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	89%	Unknown — not stated by the source
Power protection features	Over current, Over voltage, Overload, Short circuit, Under voltage	Over current, Over voltage, Overload, Short circuit, Under voltage
Ports & interfaces4 differ
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsDiffers	4	6
Peripheral (Molex) power connectors (4-pin)Differs	3	5
PCI Express power connectors (6-pin)Differs	1	2
CPU power connector (4+4 pin)	Yes	Yes
Floppy drive power connector	1	1
Connector(s)Known for one	IEC C14	Unknown — not stated by the source
Cabling typeDiffers	Non-Modular	Semi-Modular
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	1
ATX power connector (20+4 pin)Known for one	Unknown — not stated by the source	Yes
Performanceidentical
PurposeKnown for one	PC	Unknown — not stated by the source
Power supply unit (PSU) form factorKnown for one	ATX	Unknown — not stated by the source
80 PLUS certificationKnown for one	80 PLUS Bronze	Unknown — not stated by the source
Noise levelKnown for one	20 dB	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Black	Black, Orange
Fan diameterKnown for one	12 cm	Unknown — not stated by the source
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan speedKnown for one	1500	Unknown — not stated by the source
Fan locationKnown for one	Top	Unknown — not stated by the source
LED indicatorsKnown for one	No	Unknown — not stated by the source
Safety regulation & standardsidentical
SafetyKnown for one	CB,CE, FCC, CCC, TUV, RUus, R63088	Unknown — not stated by the source
Certificates1 differ
CertificationDiffers	2009/125/EC (ErP)	CE, FC, CB
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	140 x 150 x 86 mm	160 x 150 x 86 mm
Power managementKnown for one	Yes	Unknown — not stated by the source
Power over Ethernet (PoE)Known for one	No	Unknown — not stated by the source
Redundant power supply (RPS) supportKnown for one	No	Unknown — not stated by the source
Power rocker switchKnown for one	Yes	Unknown — not stated by the source

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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