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Product comparison · 2 power supply units

Chieftec SFX-450BS power supply unit vs FSP PT-1200FM power supply unit

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  • 27specifications compared
  • 22differ
  • 5identical
  • 23known for one product only

Key differences

  • Total power
    • 450 W
    • 1200 W
  • AC input voltage
    • 230 V
    • 100 - 240 V
  • AC input frequency
    • 50 Hz
    • 50 - 60 Hz
  • Combined power (+3.3V)
    • 120 W
    • 160 W
  • Combined power (+5V)
    • 120 W
    • 160 W
  • Combined power (-12V)
    • 6 W
    • 24.6 W
  • Combined power (+5Vsb)
    • 15 W
    • 24.6 W
  • Max output current (+3.3V)
    • 21 A
    • 25 A

Side by side

Differences highlightedShow differences only
50 specifications
A

Chieftec

SFX-450BS power supply unit

Model SFX-450BS

View product
B

FSP

PT-1200FM power supply unit

Model PT-1200FM

View product
Power11 differ
Total powerDiffers450 W1200 W
AC input voltageDiffers230 V100 - 240 V
AC input frequencyDiffers50 Hz50 - 60 Hz
Maximum input current (@110V)Known for one+12V,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs120 W160 W
Combined power (+12V)Known for one1200 W
Combined power (+5V)Differs120 W160 W
Combined power (-12V)Differs6 W24.6 W
Combined power (+5Vsb)Differs15 W24.6 W
Max output current (+3.3V)Differs21 A25 A
Max output current (+12V)Known for one100 A
Max output current (+5V)Differs22 A25 A
Max output current (-12V)Differs0.5 A0.8 A
Max output current (+5Vsb)3 A3 A
EfficiencyDiffers85%92%
Power protection featuresKnown for oneOver current, Over voltage, Short circuit
Input currentKnown for one3.5 A
Power factorKnown for one0.9
Max output current (+12V1)Known for one36 A
Ports & interfaces4 differ
Motherboard power connectorDiffers20+4 pin ATX24-pin ATX
Number of SATA power connectorsDiffers213
Peripheral (Molex) power connectors (4-pin)Differs16
PCI Express power connectors (6+2 pin)Known for one8
CPU power connector (4+4 pin)Known for oneYes
ATX Power connector (24-pin)Known for oneYes
Floppy disk drive connectorKnown for oneYes
Floppy drive power connector11
Cabling typeDiffersNon-ModularFully-Modular
ATX power connector (20+4 pin)Known for oneYes
Performance2 differ
PurposePCPC
Power supply unit (PSU) form factorDiffersSFXATX
80 PLUS certificationKnown for one80 PLUS Platinum
ATX versionDiffers2.32.31
EPS versionKnown for one2.92
Noise levelKnown for one21 dB
Design2 differ
Product colourDiffersSilverBlack
Cooling typeKnown for oneActive
Fan diameterDiffers8 cm13.5 cm
Number of fans1 fan(s)1 fan(s)
Fan locationKnown for oneSide
On/off switchKnown for oneYes
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneUVP; OVP; SCP; OPP; AFC;
Safety regulation & standardsidentical
SafetyKnown for oneV
Weight & dimensions3 differ
WidthDiffers125 mm150 mm
DepthDiffers100 mm190 mm
HeightDiffers64 mm86 mm
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Omnigrid (2-pin) power connectorsKnown for one1

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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