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Product comparison · 2 power supply units

be quiet! BQT L7-300W vs be quiet! BQT L7-350W

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  • 58specifications compared
  • 9differ
  • 49identical
  • 2known for one product only

Key differences

  • Total power
    • 300 W
    • 350 W
  • Combined power (+3.3V)
    • 70 W
    • 80 W
  • Combined power (+12V)
    • 252 W
    • 300 W
  • Combined power (+5V)
    • 40 W
    • 60 W
  • Max output current (+12V)
    • 21 A
    • 25 A
  • Number of SATA power connectors
    • 3
    • 4
  • Peripheral (Molex) power connectors (4-pin)
    • 2
    • 3
  • Illumination
    • No
    • Yes

Side by side

Differences highlightedShow differences only
60 specifications
A

be quiet!

BQT L7-300WView product
B

be quiet!

BQT L7-350WView product
Power5 differ
Total powerDiffers300 W350 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input current5 A5 A
Maximum input current (@110V)+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factor0.990.99
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs70 W80 W
Combined power (+12V)Differs252 W300 W
Combined power (+5V)Differs40 W60 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)12.5 W12.5 W
Max output current (+3.3V)21 A21 A
Max output current (+12V)Differs21 A25 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
Efficiency87%87%
Power protection featuresOver current, Over power, Over voltage, Short circuit, Under voltage, OverheatingOver current, Over power, Over voltage, Short circuit, Under voltage, Overheating
Ports & interfaces2 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers34
Peripheral (Molex) power connectors (4-pin)Differs23
CPU P4 connector (4-pin)11
ATX Power connector (24-pin)Known for oneYes
Floppy drive power connector11
Connector(s)IEC C14IEC C14
Cabling typeNon-ModularNon-Modular
Monitor outletNoNo
PCI Express power connectors (6+2 pin)Known for one1
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS80 PLUS
ATX version2.32.3
EPS version2.922.92
Noise level19 dB19 dB
Bearing technologyFDBFDB
Mean time between failures (MTBF)100000 h100000 h
Compatible productsIntel C6Intel C6
Design1 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan locationSideSide
IlluminationDiffersNoYes
LED indicatorsNoNo
Operational conditionsidentical
Operating temperature (T-T)5 - 40 °C5 - 40 °C
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationErP, WEEEErP, WEEE
Safety regulation & standardsidentical
SafetyCE, CB, TUV, N, S, Fl, DCE, CB, TUV, N, S, Fl, D
Weight & dimensions1 differ
Width150 mm150 mm
DepthDiffers150 mm140 mm
Height85 mm85 mm
Technical detailsidentical
Sustainability certificatesENERGY STARENERGY STAR
Other featuresidentical
Dimensions (WxDxH)140 x 150 x 85 mm140 x 150 x 85 mm
Parallel processing technology supportHybrid CrossFireXHybrid CrossFireX
Power managementYesYes
Power over Ethernet (PoE)NoNo
Power supply typeAC/DCAC/DC
Redundant power supply (RPS) supportNoNo
Power rocker switchYesYes

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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