Product comparison · 2 power supply units

Aerocool KCAS-650M power supply unit vs Aerocool KCAS-850M power supply unit

Key differences

Total power
- KCAS-650M power supply unit:650 W
- KCAS-850M power supply unit:850 W
Combined power (+12V)
- KCAS-650M power supply unit:624 W
- KCAS-850M power supply unit:840 W
Combined power (-12V)
- KCAS-650M power supply unit:3.6 W
- KCAS-850M power supply unit:7.2 W
Max output current (+3.3V)
- KCAS-650M power supply unit:24 A
- KCAS-850M power supply unit:25 A
Max output current (+12V)
- KCAS-650M power supply unit:52 A
- KCAS-850M power supply unit:70 A
Max output current (+5V)
- KCAS-650M power supply unit:20 A
- KCAS-850M power supply unit:25 A
Max output current (-12V)
- KCAS-650M power supply unit:0.3 A
- KCAS-850M power supply unit:0.6 A
Number of SATA power connectors
- KCAS-650M power supply unit:7
- KCAS-850M power supply unit:8

Differences highlightedShow differences only

Comparison of KCAS-650M, KCAS-850M
39 specifications	A Aerocool KCAS-650M power supply unit Model KCAS-650M View product	B Aerocool KCAS-850M power supply unit Model KCAS-850M View product
Power7 differ
Total powerDiffers	650 W	850 W
Combined power (+12V)Differs	624 W	840 W
Combined power (-12V)Differs	3.6 W	7.2 W
Max output current (+3.3V)Differs	24 A	25 A
Max output current (+12V)Differs	52 A	70 A
Max output current (+5V)Differs	20 A	25 A
Max output current (-12V)Differs	0.3 A	0.6 A
Ports & interfaces2 differ
Number of SATA power connectorsDiffers	7	8
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	5
PCI Express power connectors (6+2 pin)Differs	2	4
Floppy disk drive connectorKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Noise level (full-load mode, 100%)Differs	32.2 dB	30.2 dB

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.