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! Pure Power L8 vs be quiet! System Power 7

Add a product
  • 43specifications compared
  • 16differ
  • 27identical
  • 16known for one product only

Key differences

  • Input current
    • 5 A
    • 2/4 A
  • Power factor
    • 0.97
    • 0.992
  • Combined power (+12V)
    • 276 W
    • 288 W
  • Max output current (+12V1)
    • 23 A
    • 18 A
  • Max output current (+12V2)
    • 23 A
    • 18 A
  • Efficiency
    • 88%
    • 87%
  • Hold time
    • 16 ms
    • 18.6 ms
  • Number of SATA power connectors
    • 3
    • 4

Side by side

Differences highlightedShow differences only
59 specifications
A

be quiet!

Pure Power L8View product
B

be quiet!

System Power 7View product
Power7 differ
Total power300 W300 W
Peak power350 W350 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers5 A2/4 A
Power factorDiffers0.970.992
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)103 W103 W
Combined power (+12V)Differs276 W288 W
Combined power (+5V)103 W103 W
Combined power (-12V)Known for one3.6 W
Combined power (+5Vsb)Known for one12.5 W
Max output current (+3.3V)21 A21 A
Max output current (+12V1)Differs23 A18 A
Max output current (+12V2)Differs23 A18 A
Max output current (+5V)15 A15 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)2.5 A2.5 A
EfficiencyDiffers88%87%
Hold timeDiffers16 ms18.6 ms
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltageOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Maximum input current (@110V)Known for one+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Max output current (+12V)Known for one24 A
Ports & interfaces1 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers34
Peripheral (Molex) power connectors (4-pin)22
PCI Express power connectors (6+2 pin)Known for one1
CPU power connector (4+4 pin)YesYes
Floppy drive power connector11
Cabling typeNon-ModularNon-Modular
EPS power connector (8-pin)Known for oneNo
Performance2 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS Bronze80 PLUS Bronze
ATX versionDiffers2.42.31
EPS versionKnown for one2.92
Noise levelDiffers16.6 dB20.7 dB
Mean time between failures (MTBF)100000 h100000 h
Designidentical
Product colourBlackBlack
Fan diameter12 cm12 cm
Cooling typeKnown for oneActive
Number of fansKnown for one1 fan(s)
Fan speedKnown for one1021
On/off switchKnown for oneYes
Certificates1 differ
Compliance certificatesRoHSRoHS
CertificationDiffersCE, CB, TUV, WEEECE, CB, Tüv, Semko (S), FCC, cTUVus
Weight & dimensions1 differ
Width150 mm150 mm
DepthDiffers150 mm140 mm
Height86 mm86 mm
WeightKnown for one1.93 kg
Packaging data1 differ
Package widthKnown for one105 mm
Package depthKnown for one230 mm
Package heightKnown for one280 mm
Package weightDiffers2.32 kg1.68 kg
Technical detailsidentical
Sustainability certificatesENERGY STARENERGY STAR
Other features3 differ
Noise level (silent mode, <30%)Differs13.4 dB13.9 dB
Noise level (quiet mode, 50%)Differs13.8 dB14.7 dB
Noise level (full-load mode, 100%)Differs16.6 dB20.7 dB
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C

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