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Product comparison · 2 power supply units

Chieftec CTG-550C power supply unit vs Chieftec CTG-750C power supply unit

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  • 45specifications compared
  • 6differ
  • 39identical
  • 2known for one product only

Key differences

  • Total power
    • 550 W
    • 750 W
  • Combined power (+12V)
    • 456 W
    • 648 W
  • Max output current (+3.3V)
    • 25 A
    • 22 A
  • Max output current (+12V1)
    • 25 A
    • 35 A
  • Max output current (+12V2)
    • 25 A
    • 35 A
  • Motherboard power connector
    • 20+4 pin ATX
    • 24-pin ATX

Side by side

Differences highlightedShow differences only
47 specifications
A

Chieftec

CTG-550C power supply unit

Model CTG-550C

View product
B

Chieftec

CTG-750C power supply unit

Model CTG-750C

View product
Power5 differ
Total powerDiffers550 W750 W
AC input voltage230 V230 V
AC input frequency50 Hz50 Hz
Input current6 A6 A
Maximum input current (@110V)+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factor0.90.9
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)130 W130 W
Combined power (+12V)Differs456 W648 W
Combined power (+5V)130 W130 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)15 W15 W
Max output current (+3.3V)Differs25 A22 A
Max output current (+12V1)Differs25 A35 A
Max output current (+12V2)Differs25 A35 A
Max output current (+5V)22 A22 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)3 A3 A
Efficiency85%85%
Power protection featuresOver current, Over voltage, Overheating, Overload, Short circuit, Under voltageOver current, Over voltage, Overheating, Overload, Short circuit, Under voltage
Ports & interfaces1 differ
Motherboard power connectorDiffers20+4 pin ATX24-pin ATX
Number of SATA power connectors66
Peripheral (Molex) power connectors (4-pin)44
EPS power connector (8-pin)YesYes
PCI Express power connectors (6+2 pin)22
CPU P4 connector (4-pin)11
Floppy drive power connector22
Cabling typeSemi-ModularSemi-Modular
CPU power connectors (8-pin)Known for one1
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS80 PLUS
ATX version2.32.3
Mean time between failures (MTBF)100000 h100000 h
Designidentical
Product colourBlackBlack
Cooling typeActiveActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan locationTopTop
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationCE, CB, FCCCE, CB, FCC
Weight & dimensionsidentical
Width150 mm150 mm
Depth140 mm140 mm
Height87 mm87 mm
Packaging dataidentical
Package typeBoxBox
Logistics dataidentical
Harmonized System (HS) code8473302084733020
Other featuresidentical
Parallel processing technology supportKnown for one2-Way CrossFireX, 2-Way 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.