Product comparison · 2 power supply units

Aerocool KCAS-650GM power supply unit vs Aerocool KCAS 850G

33specifications compared
14differ
19identical
11known for one product only

Key differences

Total power
- KCAS-650GM power supply unit:650 W
- KCAS 850G:850 W
AC input frequency
- KCAS-650GM power supply unit:47 - 63 Hz
- KCAS 850G:50 - 60 Hz
Combined power (+12V)
- KCAS-650GM power supply unit:648 W
- KCAS 850G:840 W
Combined power (-12V)
- KCAS-650GM power supply unit:3.6 W
- KCAS 850G:6 W
Combined power (+5Vsb)
- KCAS-650GM power supply unit:12.5 W
- KCAS 850G:15 W
Max output current (+12V)
- KCAS-650GM power supply unit:54 A
- KCAS 850G:70 A
Max output current (-12V)
- KCAS-650GM power supply unit:0.3 A
- KCAS 850G:0.5 A
Max output current (+5Vsb)
- KCAS-650GM power supply unit:2.5 A
- KCAS 850G:3 A

Side by side

Differences highlightedShow differences only

Comparison of KCAS-650GM, KCAS 850G
44 specifications	A Aerocool KCAS-650GM power supply unit Model KCAS-650GM View product	B Aerocool KCAS 850G View product
Power9 differ
Total powerDiffers	650 W	850 W
AC input voltage	200 - 240 V	200 - 240 V
AC input frequencyDiffers	47 - 63 Hz	50 - 60 Hz
Input currentKnown for one	5 A	Unknown — not stated by the source
Combined power (+3.3V)	120 W	120 W
Combined power (+12V)Differs	648 W	840 W
Combined power (+5V)	120 W	120 W
Combined power (-12V)Differs	3.6 W	6 W
Combined power (+5Vsb)Differs	12.5 W	15 W
Max output current (+3.3V)	20 A	20 A
Max output current (+12V)Differs	54 A	70 A
Max output current (+5V)	20 A	20 A
Max output current (-12V)Differs	0.3 A	0.5 A
Max output current (+5Vsb)Differs	2.5 A	3 A
Efficiency	90%	90%
Power protection featuresDiffers	Over power, Over voltage, Short circuit, Under voltage	Over voltage, Overload, Short circuit, Under voltage
Ports & interfaces3 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Motherboard power cable length	55 cm	55 cm
Number of SATA power connectors	7	7
Peripheral (Molex) power connectors (4-pin)Known for one	4	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Differs	2	4
PCI Express power cable lengthDiffers	65 cm	60 cm
CPU power connector (4+4 pin)	Yes	Yes
CPU power cable length	55 cm	55 cm
ATX power connector (20+4 pin)Known for one	Yes	Unknown — not stated by the source
Floppy drive power connectorKnown for one	1	Unknown — not stated by the source
Cabling typeDiffers	Semi-Modular	Non-Modular
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factorKnown for one	ATX	Unknown — not stated by the source
80 PLUS certification	80 PLUS Gold	80 PLUS Gold
ATX version	2.4	2.4
Design1 differ
Product colour	Black	Black
Cooling type	Active	Active
Fan diameterDiffers	14 cm	12 cm
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan location	Top	Top
Illumination	Yes	Yes
On/off switchKnown for one	Yes	Unknown — not stated by the source
Certificates1 differ
Compliance certificates	RoHS	RoHS
CertificationDiffers	CE, TUV	CB, CE, FCC, EAC, TUV, ErP
Packaging dataidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Package typeKnown for one	Box	Unknown — not stated by the source
Logistics dataidentical
Country of originKnown for one	Unknown — not stated by the source	China
Other featuresidentical
Illumination colourKnown for one	Unknown — not stated by the source	Blue, Green, Red

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.

More power supply unit comparisons

All power supply unit comparisons