Product comparison · 2 power adapters & inverters

Dell 492-BFDJ power adapter/inverter Indoor vs Lenovo 4X21U28814 power adapter/inverter Indoor

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  • 10specifications compared
  • 6differ
  • 4identical
  • 11known for one product only

Key differences

The Dell 492-BFDJ power adapter/inverter Indoor has 40 W more output power than the Lenovo 4X21U28814 power adapter/inverter Indoor (180 W vs 140 W). The Lenovo 4X21U28814 power adapter/inverter Indoor has 44 mm more width than the Dell 492-BFDJ power adapter/inverter Indoor (120 mm vs 76 mm). The Lenovo 4X21U28814 power adapter/inverter Indoor has 32.5 mm more depth than the Dell 492-BFDJ power adapter/inverter Indoor (62.5 mm vs 30 mm).

  • Output power
    • 492-BFDJ power adapter/inverter Indoor:180 W
    • 4X21U28814 power adapter/inverter Indoor:140 W
  • Width
    • 492-BFDJ power adapter/inverter Indoor:76 mm
    • 4X21U28814 power adapter/inverter Indoor:120 mm
  • Depth
    • 492-BFDJ power adapter/inverter Indoor:30 mm
    • 4X21U28814 power adapter/inverter Indoor:62.5 mm
  • Height
    • 492-BFDJ power adapter/inverter Indoor:154.9 mm
    • 4X21U28814 power adapter/inverter Indoor:22 mm
  • Weight
    • 492-BFDJ power adapter/inverter Indoor:580 g
    • 4X21U28814 power adapter/inverter Indoor:500 g

Side by side

Differences highlightedShow differences only (off)
Comparison of 492-BFDJ, 4X21U28814
21 specifications
Features2 differ
PurposeLaptopLaptop
Power supply typeIndoorIndoor
Input voltageKnown for oneUnknown — not stated by the source115 - 230 V
Input frequencyKnown for oneUnknown — not stated by the source50/60 Hz
Output powerDiffers180 W140 W
Output voltageKnown for oneUnknown — not stated by the source28 V
Output currentKnown for oneUnknown — not stated by the source5 A
Brand compatibilityKnown for oneUnknown — not stated by the sourceLenovo
CompatibilityDiffersAlienware 15 R4 Alienware 16x Aurora AC16251 Alienware 17 R5 Alienware Area-51M Alienware Area-51m R2 Alienware m15 Alienware m15 R2 Alienware M15 R3 Alienware M15 R5 Alienware M15 R6 Alienware M15 R7 Alienware m15 R7 (AMD) Alienware M17 Alienware m17 R2 Alienware M17 R3 Alienware m17 R5 (AMD) DellThinkPad P16v Gen 3 (Intel) ThinkPad T1g Gen 8
Power current typeKnown for oneAC-to-DCUnknown — not stated by the source
Designidentical
Product colourBlackBlack
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source0 - 40 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source8 - 80%
Certificatesidentical
CertificationKnown for oneUnknown — not stated by the sourceUL/CB/CE EMC/CE Doc/PSE/IRAM/NOM/DOE,ErP,CoC/Nrcan/FCC and ICES/Mexico MEPS/PSB/CCC/CECP/KC,MSIP/Korea MEPS/RCM/Australia safety/NZ Doc/BSMI/EAC/Serbia/Ukraine/SII/NRCS/SABS/SIRIM/ISC/SONCAP/KEBS/STZ/INSM/KUCAS/BIS/Morocco/SEC/TISI
Weight & dimensions4 differ
Cable lengthKnown for oneUnknown — not stated by the source1 m
WidthDiffers76 mm120 mm
DepthDiffers30 mm62.5 mm
HeightDiffers154.9 mm22 mm
WeightDiffers580 g500 g
Packaging dataidentical
Package typeKnown for oneUnknown — not stated by the sourceBox
Packaging contentidentical
Quantity per pack1 pc(s)1 pc(s)

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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