Product comparison · 2 power adapters & inverters

Dell 450-BFRW power adapter/inverter Indoor vs Lenovo 4X21U28814 power adapter/inverter Indoor

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  • 16specifications compared
  • 12differ
  • 4identical
  • 7known for one product only

Key differences

The Dell 450-BFRW power adapter/inverter Indoor has 5 - 230 V more input voltage than the Lenovo 4X21U28814 power adapter/inverter Indoor (120 - 230 V vs 115 - 230 V). The Lenovo 4X21U28814 power adapter/inverter Indoor has 10 W more output power than the Dell 450-BFRW power adapter/inverter Indoor (140 W vs 130 W). The Lenovo 4X21U28814 power adapter/inverter Indoor has 8 V more output voltage than the Dell 450-BFRW power adapter/inverter Indoor (28 V vs 20 V). Input frequency: 50 - 60 Hz on the Dell 450-BFRW power adapter/inverter Indoor, 50/60 Hz on the Lenovo 4X21U28814 power adapter/inverter Indoor. Operating temperature (T-T): 0 - 35 °C on the Dell 450-BFRW power adapter/inverter Indoor, 0 - 40 °C on the Lenovo 4X21U28814 power adapter/inverter Indoor.

  • Input voltage
    • 450-BFRW power adapter/inverter Indoor:120 - 230 V
    • 4X21U28814 power adapter/inverter Indoor:115 - 230 V
  • Input frequency
    • 450-BFRW power adapter/inverter Indoor:50 - 60 Hz
    • 4X21U28814 power adapter/inverter Indoor:50/60 Hz
  • Output power
    • 450-BFRW power adapter/inverter Indoor:130 W
    • 4X21U28814 power adapter/inverter Indoor:140 W
  • Output voltage
    • 450-BFRW power adapter/inverter Indoor:20 V
    • 4X21U28814 power adapter/inverter Indoor:28 V
  • Output current
    • 450-BFRW power adapter/inverter Indoor:10.5 A
    • 4X21U28814 power adapter/inverter Indoor:5 A
  • Operating temperature (T-T)
    • 450-BFRW power adapter/inverter Indoor:0 - 35 °C
    • 4X21U28814 power adapter/inverter Indoor:0 - 40 °C
  • Operating relative humidity (H-H)
    • 450-BFRW power adapter/inverter Indoor:0 - 95%
    • 4X21U28814 power adapter/inverter Indoor:8 - 80%
  • Width
    • 450-BFRW power adapter/inverter Indoor:61 mm
    • 4X21U28814 power adapter/inverter Indoor:120 mm

Side by side

Differences highlightedShow differences only (on)
Comparison of 450-BFRW, 4X21U28814
23 specifications
Features6 differ
Input voltageDiffers120 - 230 V115 - 230 V
Input frequencyDiffers50 - 60 Hz50/60 Hz
Output powerDiffers130 W140 W
Output voltageDiffers20 V28 V
Output currentDiffers10.5 A5 A
Brand compatibilityKnown for oneUnknown — not stated by the sourceLenovo
CompatibilityDiffersAlienware M17 R3 Alienware X14 R1 Alienware x14 R2 (Intel) Dell Pro Max 14 MC14250 Dell Pro Max 14 Premium MA14250 Dell Pro Max 16 MC16250 Dell Pro Max 16 MC16255 Inspiron 16 7000 (7620) Inspiron 16 7000 (7630) Inspiron 16 7000 (7640) Latitude 5401 Latitude 5411 Latitude 5421 Latitude 5431 LatitudeThinkPad P16v Gen 3 (Intel) ThinkPad T1g Gen 8
Operational conditions2 differ
Operating temperature (T-T)Differs0 - 35 °C0 - 40 °C
Operating relative humidity (H-H)Differs0 - 95%8 - 80%
Storage temperature (T-T)Known for one-40 - 70 °CUnknown — not stated by the source
Storage relative humidity (H-H)Known for one0 - 95%Unknown — not stated by the source
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
WidthDiffers61 mm120 mm
DepthDiffers25.4 mm62.5 mm
HeightDiffers132.1 mm22 mm
WeightDiffers331 g500 g
Packaging dataidentical
Package typeKnown for oneUnknown — not stated by the sourceBox
Logistics dataidentical
Country of originKnown for oneChinaUnknown — not stated by the source

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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