Product comparison · 2 power supply units

Chieftec BPS-550S2 power supply unit vs Chieftec GPS-550A8 power supply unit

39specifications compared
12differ
27identical
9known for one product only

Key differences

AC input voltage
- BPS-550S2 power supply unit:100 - 240 V
- GPS-550A8 power supply unit:230 V
Combined power (+3.3V)
- BPS-550S2 power supply unit:120 W
- GPS-550A8 power supply unit:110 W
Combined power (+5V)
- BPS-550S2 power supply unit:120 W
- GPS-550A8 power supply unit:110 W
Max output current (+5V)
- BPS-550S2 power supply unit:15 A
- GPS-550A8 power supply unit:18 A
Max output current (-12V)
- BPS-550S2 power supply unit:0.8 A
- GPS-550A8 power supply unit:0.3 A
Max output current (+5Vsb)
- BPS-550S2 power supply unit:3 A
- GPS-550A8 power supply unit:2.5 A
Efficiency
- BPS-550S2 power supply unit:85%
- GPS-550A8 power supply unit:80%
Number of SATA power connectors
- BPS-550S2 power supply unit:6
- GPS-550A8 power supply unit:4

Side by side

Differences highlightedShow differences only

Comparison of BPS-550S2, GPS-550A8
48 specifications	A Chieftec BPS-550S2 power supply unit Model BPS-550S2 View product	B Chieftec GPS-550A8 power supply unit Model GPS-550A8 View product
Power9 differ
Total power	550 W	550 W
AC input voltageDiffers	100 - 240 V	230 V
AC input frequency	47 - 63 Hz	47 - 63 Hz
Maximum input current (@110V)Differs	+12V1,+3.3V,+5V,+5Vsb	+12V,+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factor	0.9	0.9
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	120 W	110 W
Combined power (+12V)	504 W	504 W
Combined power (+5V)Differs	120 W	110 W
Combined power (-12V)Known for one	Unknown — not stated by the source	3.6 W
Combined power (+5Vsb)Known for one	Unknown — not stated by the source	12.5 W
Max output current (+3.3V)Known for one	Unknown — not stated by the source	18 A
Max output current (+12V1)	42 A	42 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	42 A
Max output current (+5V)Differs	15 A	18 A
Max output current (-12V)Differs	0.8 A	0.3 A
Max output current (+5Vsb)Differs	3 A	2.5 A
EfficiencyDiffers	85%	80%
Power protection featuresDiffers	Over voltage, Overload, Short circuit, Under voltage	Over power, Over voltage, Short circuit, Under voltage
Ports & interfaces2 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	6	4
Peripheral (Molex) power connectors (4-pin)Differs	3	2
EPS power connector (8-pin)	Yes	Yes
PCI Express power connectors (6+2 pin)	2	2
ATX Power connector (24-pin)	No	No
ATX Power connector (20-pin)	No	No
ATX power connector (20+4 pin)	Yes	Yes
Floppy disk drive connector	Yes	Yes
Floppy drive power connector	1	1
PCI Express connector	Yes	Yes
Cabling type	Non-Modular	Non-Modular
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factor	PS/2	PS/2
ATX version	2.3	2.3
80 PLUS certificationKnown for one	80 PLUS Bronze	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Grey	Black
Cooling typeKnown for one	Unknown — not stated by the source	Active
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Fan location	Top	Top
Illumination	No	No
LED indicatorsKnown for one	Unknown — not stated by the source	No
On/off switchKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificates	RoHS	RoHS
Weight & dimensionsidentical
Width	150 mm	150 mm
Depth	140 mm	140 mm
Height	87 mm	87 mm

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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