Product comparison · 2 power supply units

be quiet! Dark Power 14 850 W - 80 Plus Titanium vs COUGAR CGR ST-550

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  • 38specifications compared
  • 28differ
  • 10identical
  • 46known for one product only

Key differences

The be quiet! Dark Power 14 850 W - 80 Plus Titanium has 300 W more total power than the COUGAR CGR ST-550 (850 W vs 550 W). The COUGAR CGR ST-550 has 100 - 240 V more AC input voltage than the be quiet! Dark Power 14 850 W - 80 Plus Titanium (200 - 240 V vs 100 - 240 V). The be quiet! Dark Power 14 850 W - 80 Plus Titanium has 10 W more combined power (+3.3V) than the COUGAR CGR ST-550 (120 W vs 110 W). AC input frequency: 50/60 Hz on the be quiet! Dark Power 14 850 W - 80 Plus Titanium, 50 Hz on the COUGAR CGR ST-550. SATA power cable length: 600,750,900,1050 mm on the be quiet! Dark Power 14 850 W - 80 Plus Titanium, 450 mm on the COUGAR CGR ST-550.

  • Total power
    • Dark Power 14 850 W - 80 Plus Titanium:850 W
    • CGR ST-550:550 W
  • AC input voltage
    • Dark Power 14 850 W - 80 Plus Titanium:100 - 240 V
    • CGR ST-550:200 - 240 V
  • AC input frequency
    • Dark Power 14 850 W - 80 Plus Titanium:50/60 Hz
    • CGR ST-550:50 Hz
  • Combined power (+3.3V)
    • Dark Power 14 850 W - 80 Plus Titanium:120 W
    • CGR ST-550:110 W
  • Combined power (+12V)
    • Dark Power 14 850 W - 80 Plus Titanium:850 W
    • CGR ST-550:504 W
  • Combined power (+5V)
    • Dark Power 14 850 W - 80 Plus Titanium:120 W
    • CGR ST-550:110 W
  • Max output current (+3.3V)
    • Dark Power 14 850 W - 80 Plus Titanium:24 A
    • CGR ST-550:16 A
  • Max output current (+5V)
    • Dark Power 14 850 W - 80 Plus Titanium:24 A
    • CGR ST-550:18 A

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Comparison of Dark Power 14 850 W - 80 Plus Titanium, CGR ST-550
84 specifications
Power12 differ
Total powerDiffers850 W550 W
Peak powerKnown for one950 WUnknown — not stated by the source
AC input voltageDiffers100 - 240 V200 - 240 V
AC input frequencyDiffers50/60 Hz50 Hz
Maximum input current (@110V)Known for one10 AUnknown — not stated by the source
Maximum input current (@220V)Known for one5 AUnknown — not stated by the source
Power factorKnown for one0.98Unknown — not stated by the source
Number of +12V rail(s)Known for one4Unknown — not stated by the source
Combined power (+3.3V)Differs120 W110 W
Combined power (+12V)Differs850 W504 W
Combined power (+5V)Differs120 W110 W
Max output current (+3.3V)Differs24 A16 A
Max output current (+12V1)Known for one30 AUnknown — not stated by the source
Max output current (+12V2)Known for one30 AUnknown — not stated by the source
Max output current (+12V3)Known for one35 AUnknown — not stated by the source
Max output current (+12V4)Known for one35 AUnknown — not stated by the source
Max output current (+5V)Differs24 A18 A
Max output current (-12V)Differs0.5 A0.3 A
Max output current (+5Vsb)Differs3 A2.5 A
EfficiencyDiffers93.8%99%
Hold timeKnown for one20.7 msUnknown — not stated by the source
Power protection featuresDiffersOver current, Over voltage, Overheating, Overload, Short circuit, Surge & inrush protection (SIP), Under voltageOver current, Over power, Over voltage, Short circuit, Under voltage
Input currentKnown for oneUnknown — not stated by the source6.3 A
Power Factor Correction (PFC) typeKnown for oneUnknown — not stated by the sourceActive
Combined power (-12V)Known for oneUnknown — not stated by the source3.6 W
Combined power (+5Vsb)Known for oneUnknown — not stated by the source12.5 W
Max output current (+12V)Known for oneUnknown — not stated by the source42 A
Ports & interfaces8 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Motherboard power cable lengthDiffers60 cm45 cm
Number of SATA power connectorsDiffers135
SATA power cable lengthDiffers600,750,900,1050 mm450 mm
Number of SATA power cablesKnown for one4Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Differs21
Peripheral (Molex) power cable lengthDiffers900,1050 mm450 mm
EPS power connector (8-pin)Known for oneYesUnknown — not stated by the source
EPS power connector (4+4 pin)Known for oneYesUnknown — not stated by the source
PCI Express power connectors (6+2 pin)Differs42
PCI Express power connectors (12-pin)Known for one1Unknown — not stated by the source
PCI Express power cable lengthDiffers60 cm45 cm
CPU power connector (4+4 pin)YesYes
CPU power cable lengthDiffers70 cm60 cm
ATX power connector (20+4 pin)Known for oneYesUnknown — not stated by the source
PCI Express connectorKnown for oneYesUnknown — not stated by the source
Cabling typeFully-ModularFully-Modular
Number of PATA power connectorsKnown for oneUnknown — not stated by the source2
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorKnown for oneATXUnknown — not stated by the source
80 PLUS certificationKnown for one80 PLUS TitaniumUnknown — not stated by the source
ATX versionKnown for one3.1Unknown — not stated by the source
EPS versionKnown for one2.92Unknown — not stated by the source
Noise levelKnown for one16 dBUnknown — not stated by the source
Bearing technologyKnown for oneFDBUnknown — not stated by the source
Mean time between failures (MTBF)Known for one100000 hUnknown — not stated by the source
Design1 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameterDiffers13.5 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan speedKnown for one0 - 2100 RPMUnknown — not stated by the source
IlluminationKnown for oneNoUnknown — not stated by the source
On/off fan switchKnown for oneYesUnknown — not stated by the source
On/off switchYesYes
Fan locationKnown for oneUnknown — not stated by the sourceTop
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °CUnknown — not stated by the source
Certificates1 differ
Compliance certificatesDiffersCB, Federal Communications Commission (FCC), RoHS, TÜV mark, UKCA, WEEE, cTUVusCCC, CE, EAC, Federal Communications Commission (FCC), RoHS
Weight & dimensions2 differ
Width150 mm150 mm
DepthDiffers175 mm140 mm
Height86 mm86 mm
WeightDiffers2.2 kg1.35 kg
Packaging data4 differ
ManualKnown for oneYesUnknown — not stated by the source
Manual languagesKnown for oneSimplified Chinese, German, English, Spanish, French, Italian, Japanese, Polish, Russian, Thai, UkrainianUnknown — not stated by the source
Package widthDiffers230 mm187 mm
Package depthDiffers126 mm158 mm
Package heightDiffers355 mm165 mm
Package weightDiffers3.5 kg1.65 kg
Package typeKnown for oneUnknown — not stated by the sourceBox
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR, ErP, TrimanUnknown — not stated by the source
Logistics dataidentical
Products per shipping (inner) caseKnown for one4 pc(s)Unknown — not stated by the source
Shipping (inner) case heightKnown for one26 cmUnknown — not stated by the source
Shipping (inner) case lengthKnown for one52.8 cmUnknown — not stated by the source
Shipping (inner) case net weightKnown for one19.3 kgUnknown — not stated by the source
Shipping (inner) case widthKnown for one36.8 cmUnknown — not stated by the source
Other featuresidentical
Screws includedKnown for oneYesUnknown — not stated by the source
Cable ties includedKnown for oneYesUnknown — not stated by the source
Packaging contentidentical
Cables includedKnown for oneUnknown — not stated by the sourceCPU, PATA, PCIe, SATA

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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