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Product comparison · 2 power supply units

Chieftec GPS-450A8 power supply unit vs Chieftec GPS-550A8 power supply unit

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  • 41specifications compared
  • 13differ
  • 28identical
  • 6known for one product only

Key differences

  • Total power
    • 450 W
    • 550 W
  • Combined power (+3.3V)
    • 120 W
    • 110 W
  • Combined power (+12V)
    • 360 W
    • 504 W
  • Combined power (+5V)
    • 120 W
    • 110 W
  • Max output current (+3.3V)
    • 22 A
    • 18 A
  • Max output current (+12V1)
    • 21 A
    • 42 A
  • Max output current (+12V2)
    • 18 A
    • 42 A
  • Number of SATA power connectors
    • 3
    • 4

Side by side

Differences highlightedShow differences only
47 specifications
A

Chieftec

GPS-450A8 power supply unit

Model GPS-450A8

View product
B

Chieftec

GPS-550A8 power supply unit

Model GPS-550A8

View product
Power8 differ
Total powerDiffers450 W550 W
Maximum input current (@110V)Differs+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V+12V,+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Combined power (+3.3V)Differs120 W110 W
Combined power (+12V)Differs360 W504 W
Combined power (+5V)Differs120 W110 W
Max output current (+3.3V)Differs22 A18 A
Max output current (+12V1)Differs21 A42 A
Max output current (+12V2)Differs18 A42 A
Ports & interfaces3 differ
Number of SATA power connectorsDiffers34
EPS power connector (8-pin)DiffersNoYes
PCI Express power connectors (6+2 pin)Differs12
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
PCI Express power connectors (6-pin)Known for one0
Designidentical
Fan locationKnown for oneTop
On/off switchKnown for oneYes
Weight & dimensions2 differ
WidthDiffers140 mm150 mm
DepthDiffers150 mm140 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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