All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 power supply units

be quiet! Dark Power Pro 11 vs UNYKAch ATX 300W

Add a product
  • 27specifications compared
  • 19differ
  • 8identical
  • 36known for one product only

Key differences

  • Total power
    • 1000 W
    • 300 W
  • AC input voltage
    • 100 - 240 V
    • 230 V
  • Efficiency
    • 94.1%
    • 85%
  • Number of SATA power connectors
    • 10
    • 3
  • Peripheral (Molex) power connectors (4-pin)
    • 7
    • 2
  • Cabling type
    • Semi-Modular
    • Non-Modular
  • Purpose
    • PC
    • PC/Server
  • ATX version
    • 2.4
    • 2.3

Side by side

Differences highlightedShow differences only
63 specifications
A

be quiet!

Dark Power Pro 11View product
B

UNYKAch

ATX 300WView product
Power4 differ
Total powerDiffers1000 W300 W
Peak powerKnown for one1100 W
AC input voltageDiffers100 - 240 V230 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentKnown for one14 A
Maximum input current (@110V)Known for one+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one0.99
Combined power (+3.3V)Known for one25 W
Combined power (+5V)Known for one25 W
Combined power (-12V)Known for one0.5 W
EfficiencyDiffers94.1%85%
Hold timeKnown for one19.29 ms
Power protection featuresDiffersOver current, Over power, Over voltage, Overheating, Short circuit, Under voltageOver power, Over voltage, Overcharge, Overheating, Overload, Short circuit, Under voltage
Power Factor Correction (PFC) typeKnown for oneActive
Max output current (+3.3V)Known for one3.3 A
Max output current (+12V1)Known for one21.4 A
Max output current (+5V)Known for one3 A
Max output current (-12V)Known for one0.3 A
Max output current (+5Vsb)Known for one2.5 A
Ports & interfaces3 differ
Motherboard power connectorKnown for one20+4 pin ATX
Number of SATA power connectorsDiffers103
Peripheral (Molex) power connectors (4-pin)Differs72
EPS power connector (8-pin)Known for oneYes
PCI Express power connectors (6-pin)Known for one1
PCI Express power connectors (6+2 pin)Known for one8
CPU power connector (4+4 pin)YesYes
Floppy disk drive connectorKnown for oneYes
Floppy drive power connectorKnown for one2
CPU power connectors (8-pin)Known for one1
Cabling typeDiffersSemi-ModularNon-Modular
SATA power cable lengthKnown for one350,500 mm
Peripheral (Molex) power cable lengthKnown for one350,650 mm
PCI Express power connectors (8-pin)Known for one1
PCI Express power cable lengthKnown for one42 cm
CPU power cable lengthKnown for one42 cm
Performance2 differ
PurposeDiffersPCPC/Server
Power supply unit (PSU) form factorATXATX
80 PLUS certificationKnown for one80 PLUS Platinum
ATX versionDiffers2.42.3
EPS versionKnown for one2.92
Supported motherboard form factorsKnown for oneATX
Noise levelKnown for one28 dB
Design2 differ
Product colourDiffersBlackSilver
Cooling typeActiveActive
Fan diameterDiffers13.5 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan speedKnown for one1800
Certificates1 differ
Compliance certificatesRoHSRoHS
CertificationDiffersErP, WEEEEUP 2013 / EN60950 / TÜV / CE
Safety regulation & standardsidentical
SafetyKnown for oneCE, CB, TÜV, FCC, cTUVus, RCM, CU
Weight & dimensions3 differ
Width150 mm150 mm
DepthDiffers193 mm140 mm
HeightDiffers86 mm85 mm
WeightDiffers2.38 kg976 g
Packaging data4 differ
Package widthDiffers305 mm165 mm
Package depthDiffers514 mm215 mm
Package heightDiffers378 mm90 mm
Package weightDiffers4.59 kg1.14 kg
Package typeBoxBox
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Noise level (quiet mode, 50%)Known for one10.4 dB
Noise level (full-load mode, 100%)Known for one26.3 dB
Package volumeKnown for one0.0032 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.

More power supply unit comparisons

All power supply unit comparisons