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Product comparison · 2 power supply units

Chieftec PSF-400B power supply unit vs UNYKAch TFX 350W

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  • 26specifications compared
  • 19differ
  • 7identical
  • 26known for one product only

Key differences

  • Total power
    • 400 W
    • 350 W
  • AC input voltage
    • 100 - 240 V
    • 110 - 240 V
  • Max output current (+3.3V)
    • 16 A
    • 18 A
  • Max output current (+12V1)
    • 30 A
    • 20 A
  • Max output current (+5V)
    • 15 A
    • 18 A
  • Max output current (-12V)
    • 0.3 A
    • 0.5 A
  • Max output current (+5Vsb)
    • 2.5 A
    • 18 A
  • Efficiency
    • 87%
    • 80%

Side by side

Differences highlightedShow differences only
52 specifications
A

Chieftec

PSF-400B power supply unit

Model PSF-400B

View product
B

UNYKAch

TFX 350WView product
Power9 differ
Total powerDiffers400 W350 W
AC input voltageDiffers100 - 240 V110 - 240 V
AC input frequency47 - 63 Hz47 - 63 Hz
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Known for one100 W
Combined power (+12V)Known for one360 W
Combined power (+5V)Known for one100 W
Combined power (-12V)Known for one3.6 W
Combined power (+5Vsb)Known for one12.5 W
Max output current (+3.3V)Differs16 A18 A
Max output current (+12V1)Differs30 A20 A
Max output current (+5V)Differs15 A18 A
Max output current (-12V)Differs0.3 A0.5 A
Max output current (+5Vsb)Differs2.5 A18 A
EfficiencyDiffers87%80%
Power protection featuresDiffersOverload, Short circuitOver power, Over voltage, Overcharge, Overheating, Overload, Short circuit, Under voltage
Ports & interfaces4 differ
Motherboard power connectorDiffers24-pin ATX20+4 pin ATX
Motherboard power cable lengthDiffers45 cm38 cm
Number of SATA power connectorsDiffers43
Peripheral (Molex) power connectors (4-pin)Differs32
EPS power connector (8-pin)Known for oneYes
PCI Express power connectors (6-pin)Known for one1
Floppy drive power connectorKnown for one1
Cabling typeNon-ModularNon-Modular
SATA power cable lengthKnown for one380,500 mm
Peripheral (Molex) power cable lengthKnown for one660,380 mm
CPU P4 connector (4-pin)Known for one1
CPU power cable lengthKnown for one38 cm
Performance2 differ
PurposeDiffersPCPC/Server
Power supply unit (PSU) form factorDiffersATXTFX
80 PLUS certificationKnown for one80 PLUS Bronze
ATX versionKnown for one2.3
Noise levelKnown for one28 dB
Design1 differ
Product colourDiffersMetallicSilver
Cooling typeActiveActive
Fan diameter8 cm8 cm
Number of fans1 fan(s)1 fan(s)
Fan locationKnown for oneSide
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationKnown for oneEUP 2013 / EN60950 / TÜV / CE
Weight & dimensions3 differ
WidthDiffers150 mm85 mm
DepthDiffers140 mm175 mm
HeightDiffers87 mm65 mm
WeightKnown for one844 g
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Logistics dataidentical
Harmonized System (HS) codeKnown for one84733020
Packaging dataidentical
Package widthKnown for one105 mm
Package depthKnown for one200 mm
Package heightKnown for one90 mm
Package weightKnown for one1.04 kg
Package typeKnown for oneBox
Other featuresidentical
Package volumeKnown for one0.0019 cm³

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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