Product comparison · 2 power supply units

Chieftec APS-550SB power supply unit vs Chieftec APS-750CB power supply unit 24-pin ATX PS/2 Black

24specifications compared
12differ
12identical
16known for one product only

Key differences

AC input voltage
- APS-550SB power supply unit:115 - 230 V
- APS-750CB power supply unit 24-pin ATX PS/2 Black:100 - 240 V
Max output current (+3.3V)
- APS-550SB power supply unit:22 A
- APS-750CB power supply unit 24-pin ATX PS/2 Black:25 A
Max output current (+5V)
- APS-550SB power supply unit:22 A
- APS-750CB power supply unit 24-pin ATX PS/2 Black:25 A
Max output current (+5Vsb)
- APS-550SB power supply unit:2.5 A
- APS-750CB power supply unit 24-pin ATX PS/2 Black:3 A
Peripheral (Molex) power connectors (4-pin)
- APS-550SB power supply unit:3
- APS-750CB power supply unit 24-pin ATX PS/2 Black:2
PCI Express power connectors (6+2 pin)
- APS-550SB power supply unit:1
- APS-750CB power supply unit 24-pin ATX PS/2 Black:4
Cabling type
- APS-550SB power supply unit:Non-Modular
- APS-750CB power supply unit 24-pin ATX PS/2 Black:Semi-Modular
Power supply unit (PSU) form factor
- APS-550SB power supply unit:ATX
- APS-750CB power supply unit 24-pin ATX PS/2 Black:PS/2

Side by side

Differences highlightedShow differences only

Comparison of APS-550SB, APS-750CB
40 specifications	A Chieftec APS-550SB power supply unit Model APS-550SB View product	B Chieftec APS-750CB power supply unit 24-pin ATX PS/2 Black Model APS-750CB View product
Power5 differ
Total powerKnown for one	550 W	Unknown — not stated by the source
AC input voltageDiffers	115 - 230 V	100 - 240 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)Differs	22 A	25 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
Power protection featuresDiffers	Over current, Over voltage, Overload, Short circuit, Under voltage	Over current, Over voltage, Overheating, Overload, Short circuit
Peak powerKnown for one	Unknown — not stated by the source	750 W
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	35 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	35 A
EfficiencyKnown for one	Unknown — not stated by the source	85%
Ports & interfaces3 differ
Motherboard power connector	24-pin ATX	24-pin ATX
Peripheral (Molex) power connectors (4-pin)Differs	3	2
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Differs	1	4
ATX Power connector (24-pin)Known for one	Yes	Unknown — not stated by the source
Floppy drive power connector	1	1
Cabling typeDiffers	Non-Modular	Semi-Modular
Number of SATA power connectorsKnown for one	Unknown — not stated by the source	9
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.

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