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Product comparison · 2 power supply units

be quiet! E7 CM PCGH Special Edition vs be quiet! TFX Power

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  • 12specifications compared
  • 9differ
  • 3identical
  • 43known for one product only

Key differences

  • Total power
    • 600 W
    • 300 W
  • Input current
    • 9 - 4.5 A
    • 2.5 - 4.5 A
  • Efficiency
    • 88%
    • 86%
  • Hold time
    • 19 ms
    • 17 ms
  • Number of SATA power connectors
    • 7
    • 2
  • Peripheral (Molex) power connectors (4-pin)
    • 6
    • 3
  • Cabling type
    • Semi-Modular
    • Non-Modular
  • Product colour
    • White
    • Black

Side by side

Differences highlightedShow differences only
55 specifications
A

be quiet!

E7 CM PCGH Special EditionView product
B

be quiet!

TFX PowerView product
Power4 differ
Total powerDiffers600 W300 W
Input currentDiffers9 - 4.5 A2.5 - 4.5 A
Maximum input current (@110V)Known for one+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one0.9
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Known for one110 W
Combined power (+12V)Known for one250 W
Combined power (+5V)Known for one110 W
Combined power (-12V)Known for one6 W
Combined power (+5Vsb)Known for one10 W
Max output current (+3.3V)Known for one20 A
Max output current (+12V)Known for one20.83 A
Max output current (+12V1)Known for one14 A
Max output current (+12V2)Known for one16 A
Max output current (+5V)Known for one22 A
Max output current (-12V)Known for one0.5 A
Max output current (+5Vsb)Known for one2 A
EfficiencyDiffers88%86%
Hold timeDiffers19 ms17 ms
Power protection featuresKnown for oneOver current, Over power, Over voltage, Short circuit, Under voltage
Ports & interfaces3 differ
Motherboard power connectorKnown for one20+4 pin ATX
Number of SATA power connectorsDiffers72
Peripheral (Molex) power connectors (4-pin)Differs63
CPU P4 connector (4-pin)Known for one1
Cabling typeDiffersSemi-ModularNon-Modular
PCI Express power connectors (6-pin)Known for one2
ATX Power connector (24-pin)Known for oneYes
I/O portsKnown for oneATX 12V 24-Pin 1x 4-Pin Molex (HDD) 6x 4-Pin Floppy (FDD) 2x S-ATA 7x 4-Pin 12V 1x P8 Connector 1x 6-Pin PCI-Express 2x 6+2-Pin PCI-Express 2x 3-Pin Fan Connector 2x 4-Pin Fan Connector 2x
Performanceidentical
PurposeKnown for onePC
Power supply unit (PSU) form factorKnown for oneTFX
80 PLUS certificationKnown for one80 PLUS
ATX versionKnown for one2.3
Bearing technologyKnown for oneRifle
Mean time between failures (MTBF)Known for one100000 h
Design1 differ
Product colourDiffersWhiteBlack
Cooling typeKnown for oneActive
Fan diameterKnown for one8 cm
Number of fansKnown for one1 fan(s)
Fan speedKnown for one3600
On/off switchKnown for oneYes
Operational conditions1 differ
Operating temperature (T-T)Differs0 - 40 °C10 - 50 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneCE, CB, TÜV, Nemko (N), Semko (S), Fimko (FI), Demko (D)
Weight & dimensionsidentical
WidthKnown for one85 mm
DepthKnown for one175 mm
HeightKnown for one70 mm
Packaging dataidentical
Package weightKnown for one1.41 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Package dimensions (WxDxH)Known for one159 x 195 x 80 mm
Dimensions (WxDxH)Known for one160 x 86 x 150 mm
Maximum currentKnown for one45 A

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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