Product comparison · 2 power supply units

Aerocool KCAS-650M power supply unit vs Aerocool VX-500 power supply unit

24specifications compared
13differ
11identical
21known for one product only

Key differences

Total power
- KCAS-650M power supply unit:650 W
- VX-500 power supply unit:500 W
AC input voltage
- KCAS-650M power supply unit:200 - 240 V
- VX-500 power supply unit:230 V
AC input frequency
- KCAS-650M power supply unit:47 - 53 Hz
- VX-500 power supply unit:50 Hz
Input current
- KCAS-650M power supply unit:6 A
- VX-500 power supply unit:4 A
Combined power (+5Vsb)
- KCAS-650M power supply unit:15 W
- VX-500 power supply unit:12.5 W
Max output current (+3.3V)
- KCAS-650M power supply unit:24 A
- VX-500 power supply unit:20 A
Max output current (+5V)
- KCAS-650M power supply unit:20 A
- VX-500 power supply unit:19 A
Max output current (+5Vsb)
- KCAS-650M power supply unit:3 A
- VX-500 power supply unit:2.5 A

Side by side

Differences highlightedShow differences only

Comparison of KCAS-650M, VX-500
45 specifications	A Aerocool KCAS-650M power supply unit Model KCAS-650M View product	B Aerocool VX-500 power supply unit Model VX-500 View product
Power9 differ
Total powerDiffers	650 W	500 W
AC input voltageDiffers	200 - 240 V	230 V
AC input frequencyDiffers	47 - 53 Hz	50 Hz
Input currentDiffers	6 A	4 A
Maximum input current (@110V)Differs	+12V,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) type	Active	Active
Combined power (+12V)Known for one	624 W	Unknown — not stated by the source
Combined power (-12V)	3.6 W	3.6 W
Combined power (+5Vsb)Differs	15 W	12.5 W
Max output current (+3.3V)Differs	24 A	20 A
Max output current (+12V)Known for one	52 A	Unknown — not stated by the source
Max output current (+5V)Differs	20 A	19 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)Differs	3 A	2.5 A
EfficiencyKnown for one	85%	Unknown — not stated by the source
Power protection features	Over power, Over voltage, Short circuit, Under voltage	Over power, Over voltage, Short circuit, Under voltage
Power factorKnown for one	Unknown — not stated by the source	0.99
Max output current (+12V1)Known for one	Unknown — not stated by the source	20 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	20 A
Ports & interfaces1 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	7	3
PCI Express power connectors (6+2 pin)Known for one	2	Unknown — not stated by the source
CPU power connector (4+4 pin)	Yes	Yes
ATX power connector (20+4 pin)	Yes	Yes
Cabling typeKnown for one	Semi-Modular	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	3
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	1
Floppy drive power connectorKnown for one	Unknown — not stated by the source	1
Performance2 differ
Purpose	PC	PC
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
ATX versionDiffers	2.4	2.3
Noise levelDiffers	32.2 dB	31.4 dB
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	120000 h
Design1 differ
Product colour	Black	Black
Fan diameterDiffers	14 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Fan locationKnown for one	Top	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificates	RoHS	RoHS
CertificationKnown for one	Unknown — not stated by the source	CE, FCC
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Noise level (silent mode, <30%)Known for one	19.1 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Known for one	20.3 dB	Unknown — not stated by the source
Noise level (full-load mode, 100%)Known for one	32.2 dB	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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