Product comparison · 2 power supply units

Chieftec APS-550SB power supply unit vs Chieftec APS-650CB power supply unit

23specifications compared
10differ
13identical
17known for one product only

Key differences

Total power
- APS-550SB power supply unit:550 W
- APS-650CB power supply unit:650 W
Peripheral (Molex) power connectors (4-pin)
- APS-550SB power supply unit:3
- APS-650CB power supply unit:4
PCI Express power connectors (6+2 pin)
- APS-550SB power supply unit:1
- APS-650CB power supply unit:2
Floppy drive power connector
- APS-550SB power supply unit:1
- APS-650CB power supply unit:2
Cabling type
- APS-550SB power supply unit:Non-Modular
- APS-650CB power supply unit:Semi-Modular
Power supply unit (PSU) form factor
- APS-550SB power supply unit:ATX
- APS-650CB power supply unit:PS/2
Product colour
- APS-550SB power supply unit:Silver
- APS-650CB power supply unit:Black
Depth
- APS-550SB power supply unit:87 mm
- APS-650CB power supply unit:155 mm

Side by side

Differences highlightedShow differences only

Comparison of APS-550SB, APS-650CB
40 specifications	A Chieftec APS-550SB power supply unit Model APS-550SB View product	B Chieftec APS-650CB power supply unit Model APS-650CB View product
Power2 differ
Total powerDiffers	550 W	650 W
AC input voltage	115 - 230 V	115 - 230 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Maximum input current (@110V)Known for one	+12V,+3.3V,-12V	Unknown — not stated by the source
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Known for one	120 W	Unknown — not stated by the source
Combined power (+5V)Known for one	120 W	Unknown — not stated by the source
Max output current (+3.3V)	22 A	22 A
Max output current (+5V)	22 A	22 A
Max output current (-12V)Known for one	0.3 A	Unknown — not stated by the source
Max output current (+5Vsb)Known for one	2.5 A	Unknown — not stated by the source
Power protection featuresDiffers	Over current, Over voltage, Overload, Short circuit, Under voltage	Over current, Over voltage, Overheating, Overload, Short circuit, Under voltage
Power factorKnown for one	Unknown — not stated by the source	0.9
Max output current (+12V1)Known for one	Unknown — not stated by the source	26 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	26 A
EfficiencyKnown for one	Unknown — not stated by the source	85%
Ports & interfaces4 differ
Motherboard power connector	24-pin ATX	24-pin ATX
Peripheral (Molex) power connectors (4-pin)Differs	3	4
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Differs	1	2
ATX Power connector (24-pin)Known for one	Yes	Unknown — not stated by the source
Floppy drive power connectorDiffers	1	2
Cabling typeDiffers	Non-Modular	Semi-Modular
Number of SATA power connectorsKnown for one	Unknown — not stated by the source	6
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
Performance1 differ
PurposeKnown for one	PC	Unknown — not stated by the source
Power supply unit (PSU) form factorDiffers	ATX	PS/2
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 switchKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
Width	150 mm	150 mm
DepthDiffers	87 mm	155 mm
HeightDiffers	155 mm	87 mm
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	ATI Crossfire / Nvidia SLI

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