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Product comparison · 2 power supply units

COUGAR S550 power supply unit vs Zalman ZM850-HP Plus

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  • 29specifications compared
  • 18differ
  • 11identical
  • 27known for one product only

Key differences

  • Total power
    • 550 W
    • 850 W
  • AC input voltage
    • 115 - 240 V
    • 100 - 240 V
  • Input current
    • 10 A
    • 5.5 - 11 A
  • Combined power (+3.3V)
    • 70 W
    • 180 W
  • Combined power (+12V)
    • 542 W
    • 816 W
  • Combined power (+5V)
    • 70 W
    • 180 W
  • Max output current (+3.3V)
    • 25 A
    • 20 A
  • Max output current (+12V)
    • 88 A
    • 25 A

Side by side

Differences highlightedShow differences only
56 specifications
A

COUGAR

S550 power supply unit

Model S550

View product
B

Zalman

ZM850-HP PlusView product
Power12 differ
Total powerDiffers550 W850 W
AC input voltageDiffers115 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers10 A5.5 - 11 A
Maximum input current (@110V)+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs70 W180 W
Combined power (+12V)Differs542 W816 W
Combined power (+5V)Differs70 W180 W
Combined power (-12V)Known for one6 W
Combined power (+5Vsb)Known for one17.5 W
Max output current (+3.3V)Differs25 A20 A
Max output current (+12V)Differs88 A25 A
Max output current (+5V)Differs25 A24 A
Max output current (-12V)Differs0.6 A0.5 A
Max output current (+5Vsb)Differs3 A3.5 A
Efficiency90%90%
Power protection featuresDiffersOver current, Over voltage, Overload, Short circuit, Under powerOver current, Over voltage, Short circuit, Under voltage
Ports & interfaces2 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers63
EPS power connector (8-pin)Known for oneYes
PCI Express power connectors (6-pin)33
PCI Express power connectors (6+2 pin)Differs13
CPU P4 connector (4-pin)11
Cabling typeSemi-ModularSemi-Modular
Peripheral (Molex) power connectors (4-pin)Known for one5
Floppy drive power connectorKnown for one1
CPU power connectors (8-pin)Known for one1
Connector(s)Known for oneIEC C14
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationDiffers80 PLUS Silver80 PLUS
ATX versionKnown for one2.2
Mean time between failures (MTBF)Known for one100000 h
Design1 differ
Product colourDiffersBlack, OrangeBlack
Fan diameter14 cm14 cm
Number of fansKnown for one1 fan(s)
Fan speedKnown for one1800
Fan locationKnown for oneTop
LED indicatorsKnown for oneNo
Operational conditions1 differ
Operating temperature (T-T)Differs10 - 50 °C0 - 40 °C
Storage temperature (T-T)Known for one-20 - 60 °C
Operating relative humidity (H-H)Known for one10 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Weight & dimensionsidentical
WidthKnown for one150 mm
DepthKnown for one210 mm
HeightKnown for one86 mm
WeightKnown for one4 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other features1 differ
Dimensions (WxDxH)Differs150 x 180 x 86 mm150 x 210 x 86 mm
Power managementKnown for oneYes
Power over Ethernet (PoE)Known for oneNo
Redundant power supply (RPS) supportKnown for oneNo
Power rocker switchKnown for oneYes
Safety regulation & standardsidentical
SafetyKnown for oneCB,CE, FCC, CCC, TUV, RUus, R63088

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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