Product comparison · 2 power supply units

Aerocool KCAS power supply unit vs Aerocool VX-400 power supply unit

26specifications compared
11differ
15identical
18known for one product only

Key differences

Total power
- KCAS power supply unit:600 W
- VX-400 power supply unit:400 W
AC input voltage
- KCAS power supply unit:115 - 230 V
- VX-400 power supply unit:230 V
AC input frequency
- KCAS power supply unit:47 - 63 Hz
- VX-400 power supply unit:50 Hz
Input current
- KCAS power supply unit:4.5 - 9.5 A
- VX-400 power supply unit:4 A
Combined power (-12V)
- KCAS power supply unit:4.8 W
- VX-400 power supply unit:3.6 W
Max output current (+5V)
- KCAS power supply unit:20 A
- VX-400 power supply unit:18 A
Max output current (-12V)
- KCAS power supply unit:0.4 A
- VX-400 power supply unit:0.3 A
Number of SATA power connectors
- KCAS power supply unit:7
- VX-400 power supply unit:2

Side by side

Differences highlightedShow differences only

Comparison of KCAS, VX-400
44 specifications	A Aerocool KCAS power supply unit Model KCAS View product	B Aerocool VX-400 power supply unit Model VX-400 View product
Power8 differ
Total powerDiffers	600 W	400 W
AC input voltageDiffers	115 - 230 V	230 V
AC input frequencyDiffers	47 - 63 Hz	50 Hz
Input currentDiffers	4.5 - 9.5 A	4 A
Maximum input current (@110V)Differs	+12V,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Combined power (+12V)Known for one	540 W	Unknown — not stated by the source
Combined power (-12V)Differs	4.8 W	3.6 W
Max output current (+12V)Known for one	45 A	Unknown — not stated by the source
Max output current (+5V)Differs	20 A	18 A
Max output current (-12V)Differs	0.4 A	0.3 A
EfficiencyKnown for one	85%	Unknown — not stated by the source
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	18 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	17 A
Ports & interfaces2 differ
Number of SATA power connectorsDiffers	7	2
Peripheral (Molex) power connectors (4-pin)Differs	4	2
PCI Express power connectors (6+2 pin)Known for one	2	Unknown — not stated by the source
Cabling typeKnown for one	Non-Modular	Unknown — not stated by the source
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	1
Performance1 differ
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 levelDiffers	30.2 dB	30.6 dB
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	120000 h
Designidentical
Fan locationKnown for one	Top	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	CE, FCC
Other featuresidentical
Noise level (silent mode, <30%)Known for one	18.7 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Known for one	20.2 dB	Unknown — not stated by the source
Noise level (full-load mode, 100%)Known for one	30.2 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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