Product comparison · 2 power supply units

Chieftec APS-550SB power supply unit vs Chieftec APS-850CB power supply unit

31specifications compared
14differ
17identical
6known for one product only

Key differences

Total power
- APS-550SB power supply unit:550 W
- APS-850CB power supply unit:850 W
AC input voltage
- APS-550SB power supply unit:115 - 230 V
- APS-850CB power supply unit:100 - 240 V
AC input frequency
- APS-550SB power supply unit:50 - 60 Hz
- APS-850CB power supply unit:50 Hz
Combined power (+3.3V)
- APS-550SB power supply unit:120 W
- APS-850CB power supply unit:150 W
Combined power (+5V)
- APS-550SB power supply unit:120 W
- APS-850CB power supply unit:150 W
Max output current (+3.3V)
- APS-550SB power supply unit:22 A
- APS-850CB power supply unit:25 A
Max output current (+5V)
- APS-550SB power supply unit:22 A
- APS-850CB power supply unit:25 A
Max output current (+5Vsb)
- APS-550SB power supply unit:2.5 A
- APS-850CB power supply unit:3 A

Side by side

Differences highlightedShow differences only

Comparison of APS-550SB, APS-850CB
37 specifications	A Chieftec APS-550SB power supply unit Model APS-550SB View product	B Chieftec APS-850CB power supply unit Model APS-850CB View product
Power10 differ
Total powerDiffers	550 W	850 W
AC input voltageDiffers	115 - 230 V	100 - 240 V
AC input frequencyDiffers	50 - 60 Hz	50 Hz
Maximum input current (@110V)Differs	+12V,+3.3V,-12V	+12V,+12V1,+12V2,+12V3,+5V,+5Vsb
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	120 W	150 W
Combined power (+5V)Differs	120 W	150 W
Max output current (+3.3V)Differs	22 A	25 A
Max output current (+12V1)Known for one	Unknown — not stated by the source	40 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	40 A
Max output current (+5V)Differs	22 A	25 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)Differs	2.5 A	3 A
EfficiencyKnown for one	Unknown — not stated by the source	85%
Power protection featuresDiffers	Over current, Over voltage, Overload, Short circuit, Under voltage	Over current, Over power, Over voltage, Under voltage
Ports & interfaces3 differ
Motherboard power connector	24-pin ATX	24-pin ATX
Number of SATA power connectorsKnown for one	Unknown — not stated by the source	9
Peripheral (Molex) power connectors (4-pin)Differs	3	2
EPS power connector (8-pin)	Yes	Yes
PCI Express power connectors (6+2 pin)Differs	1	4
Floppy drive power connector	1	1
Cabling typeDiffers	Non-Modular	Semi-Modular
ATX Power connector (24-pin)Known for one	Yes	Unknown — not stated by the source
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certification	80 PLUS Bronze	80 PLUS Bronze
ATX version	2.3	2.3
Mean time between failures (MTBF)	100000 h	100000 h
Design1 differ
Product colourDiffers	Silver	Black
Cooling type	Active	Active
Fan diameter	14 cm	14 cm
Number of fans	1 fan(s)	1 fan(s)
On/off switch	Yes	Yes
Weight & dimensionsidentical
Width	150 mm	150 mm
Depth	87 mm	87 mm
Height	155 mm	155 mm
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	Box

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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