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Product comparison · 2 power supply units

Chieftec SFX-500GD-C power supply unit vs UNYKAch 51976 power supply unit

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  • 18specifications compared
  • 9differ
  • 9identical
  • 26known for one product only

Key differences

  • Total power
    • 500 W
    • 900 W
  • Number of SATA power connectors
    • 4
    • 6
  • Peripheral (Molex) power connectors (4-pin)
    • 2
    • 4
  • Power supply unit (PSU) form factor
    • SFX
    • ATX
  • 80 PLUS certification
    • 80 PLUS Gold
    • 80 PLUS Bronze
  • Width
    • 125 mm
    • 140 mm
  • Depth
    • 125 mm
    • 150 mm
  • Height
    • 64 mm
    • 85 mm

Side by side

Differences highlightedShow differences only
44 specifications
A

Chieftec

SFX-500GD-C power supply unit

Model SFX-500GD-C

View product
B

UNYKAch

51976 power supply unit

Model 51976

View product
Power2 differ
Total powerDiffers500 W900 W
AC input voltage100 - 240 V100 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Input currentKnown for one7 A
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Known for one105 W
Combined power (+5V)Known for one105 W
Combined power (-12V)Known for one3.6 W
Combined power (+5Vsb)Known for one15 W
Max output current (+3.3V)Known for one20 A
Max output current (+12V1)Known for one40 A
Max output current (+5V)Known for one20 A
Max output current (-12V)Known for one0.3 A
Max output current (+5Vsb)Known for one3 A
Power protection featuresDiffersOver current, Over voltage, Overload, Short circuit, Under voltageOver voltage, Short circuit
Maximum input current (@110V)Known for one+12V
EfficiencyKnown for one80%
Ports & interfaces2 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers46
Peripheral (Molex) power connectors (4-pin)Differs24
EPS power connector (8-pin)Known for oneYes
PCI Express power connectors (6-pin)Known for one0
PCI Express power connectors (6+2 pin)22
PCI Express power connectors (8-pin)Known for one1
CPU P4 connector (4-pin)Known for one1
Floppy drive power connectorKnown for one0
Cabling typeKnown for oneFully-Modular
CPU power connector (4+4 pin)Known for oneYes
Floppy disk drive connectorKnown for oneYes
Performance2 differ
Power supply unit (PSU) form factorDiffersSFXATX
80 PLUS certificationDiffers80 PLUS Gold80 PLUS Bronze
ATX version2.32.3
PurposeKnown for onePC
Designidentical
Product colourBlackBlack
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan locationKnown for oneTop
On/off switchKnown for oneYes
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationKnown for oneCE, TUV, ErP617, EN60950
Weight & dimensions3 differ
WidthDiffers125 mm140 mm
DepthDiffers125 mm150 mm
HeightDiffers64 mm85 mm
Other featuresidentical
Frequency toleranceKnown for one90%

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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