Product comparison · 2 power supply units

COUGAR CMX 450 (v.3) vs COUGAR CMX 550 (v.3)

52specifications compared
8differ
44identical
1known for one product only

Key differences

Total power
- CMX 450 (v.3):450 W
- CMX 550 (v.3):550 W
Input current
- CMX 450 (v.3):8 A
- CMX 550 (v.3):10 A
Maximum input current (@110V)
- CMX 450 (v.3):8 A
- CMX 550 (v.3):10 A
Maximum input current (@220V)
- CMX 450 (v.3):8 A
- CMX 550 (v.3):10 A
Combined power (+12V)
- CMX 450 (v.3):420 W
- CMX 550 (v.3):480 W
Max output current (+12V1)
- CMX 450 (v.3):22 A
- CMX 550 (v.3):28 A
Peripheral (Molex) power connectors (4-pin)
- CMX 450 (v.3):3
- CMX 550 (v.3):5
PCI Express power connectors (6-pin)
- CMX 450 (v.3):1
- CMX 550 (v.3):2

Side by side

Differences highlightedShow differences only

Comparison of CMX 450 (v.3), CMX 550 (v.3)
53 specifications	A COUGAR CMX 450 (v.3)View product	B COUGAR CMX 550 (v.3)View product
Power6 differ
Total powerDiffers	450 W	550 W
AC input voltage	110 - 240 V	110 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	8 A	10 A
Maximum input current (@110V)Differs	8 A	10 A
Maximum input current (@220V)Differs	8 A	10 A
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)	120 W	120 W
Combined power (+12V)Differs	420 W	480 W
Combined power (+5V)	120 W	120 W
Max output current (+3.3V)	24 A	24 A
Max output current (+12V1)Differs	22 A	28 A
Max output current (+12V2)	20 A	20 A
Max output current (+5V)	15 A	15 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)	3 A	3 A
Efficiency	89%	89%
Power protection features	Over current, Over voltage, Overload, Short circuit, Under voltage	Over current, Over voltage, Overload, Short circuit, Under voltage
Ports & interfaces2 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectors	6	6
Peripheral (Molex) power connectors (4-pin)Differs	3	5
PCI Express power connectors (6-pin)Differs	1	2
PCI Express power connectors (6+2 pin)	1	1
CPU power connector (4+4 pin)	Yes	Yes
ATX power connector (20+4 pin)	Yes	Yes
Floppy drive power connector	1	1
CPU power connectors (8-pin)Known for one	Unknown — not stated by the source	1
PCI Express connector	Yes	Yes
Cabling type	Semi-Modular	Semi-Modular
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certification	80 PLUS Bronze	80 PLUS Bronze
ATX version	2.31	2.31
EPS version	2.92	2.92
Bearing technology	HDB	HDB
Mean time between failures (MTBF)	300000 h	300000 h
Designidentical
Product colour	Black, Orange	Black, Orange
Cooling type	Active	Active
Fan diameter	14 cm	14 cm
Number of fans	1 fan(s)	1 fan(s)
Fan location	Top	Top
On/off switch	Yes	Yes
Certificatesidentical
Compliance certificates	RoHS	RoHS
Certification	CB,CE, FCC, CCC, TUV, RUus, R63088	CB,CE, FCC, CCC, TUV, RUus, R63088
Weight & dimensionsidentical
Width	150 mm	150 mm
Depth	160 mm	160 mm
Height	86 mm	86 mm
Packaging dataidentical
Manual	Yes	Yes
Package type	Box	Box
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other featuresidentical
Cable management	Yes	Yes
Parallel processing technology support	CrossFire	Crossfire
Power management	Yes	Yes

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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