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Product comparison · 2 power supply units

Chieftec BPS-550S2 power supply unit vs Chieftec GPS-650A8 power supply unit

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  • 34specifications compared
  • 12differ
  • 22identical
  • 19known for one product only

Key differences

  • Total power
    • 550 W
    • 650 W
  • AC input voltage
    • 100 - 240 V
    • 220 - 240 V
  • Combined power (+12V)
    • 504 W
    • 600 W
  • Max output current (+12V1)
    • 42 A
    • 50 A
  • Max output current (+5V)
    • 15 A
    • 20 A
  • Max output current (-12V)
    • 0.8 A
    • 0.3 A
  • Max output current (+5Vsb)
    • 3 A
    • 2.5 A
  • Peripheral (Molex) power connectors (4-pin)
    • 3
    • 2

Side by side

Differences highlightedShow differences only
53 specifications
A

Chieftec

BPS-550S2 power supply unit

Model BPS-550S2

View product
B

Chieftec

GPS-650A8 power supply unit

Model GPS-650A8

View product
Power8 differ
Total powerDiffers550 W650 W
AC input voltageDiffers100 - 240 V220 - 240 V
AC input frequency47 - 63 Hz47 - 63 Hz
Input currentKnown for one5 A
Power factor0.90.9
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)120 W120 W
Combined power (+12V)Differs504 W600 W
Combined power (+5V)120 W120 W
Combined power (-12V)Known for one3.6 W
Combined power (+5Vsb)Known for one12.5 W
Max output current (+3.3V)Known for one20 A
Max output current (+12V1)Differs42 A50 A
Max output current (+5V)Differs15 A20 A
Max output current (-12V)Differs0.8 A0.3 A
Max output current (+5Vsb)Differs3 A2.5 A
Efficiency85%85%
Power protection featuresDiffersOver voltage, Overload, Short circuit, Under voltageOver power, Over voltage, Short circuit, Under voltage
Maximum input current (@110V)Known for one+12V1,+3.3V,+5V,+5Vsb
Ports & interfaces1 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectors66
SATA power cable lengthKnown for one150,500 mm
Peripheral (Molex) power connectors (4-pin)Differs32
EPS power connector (8-pin)YesYes
PCI Express power connectors (6+2 pin)22
PCI Express power cable lengthKnown for one50 cm
Floppy disk drive connectorYesYes
Floppy drive power connector11
PCI Express connectorYesYes
Cabling typeNon-ModularNon-Modular
ATX Power connector (24-pin)Known for oneNo
ATX Power connector (20-pin)Known for oneNo
ATX power connector (20+4 pin)Known for oneYes
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorPS/2PS/2
80 PLUS certification80 PLUS Bronze80 PLUS Bronze
Supported motherboard form factorsKnown for oneATX
ATX version2.32.3
Mean time between failures (MTBF)Known for one100000 h
Design1 differ
Product colourDiffersGreyBlack
Cooling typeKnown for oneActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
On/off switchYesYes
Fan locationKnown for oneTop
IlluminationKnown for oneNo
Packaging contentidentical
Cables includedKnown for oneAC, PCIe, Peripheral (Molex), SATA
Certificatesidentical
CertificationKnown for oneCE, CB, EAC, ErP, RoHS, interseroh, TÜV
Compliance certificatesKnown for oneRoHS
Weight & dimensions2 differ
WidthDiffers150 mm140 mm
DepthDiffers140 mm150 mm
Height87 mm87 mm
Packaging dataidentical
Package typeKnown for oneBox

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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