Product comparison · 2 power adapters & inverters

Dell 450-BFRW power adapter/inverter Indoor vs Lenovo 4X21U28840 power adapter/inverter Indoor

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  • 16specifications compared
  • 11differ
  • 5identical
  • 11known for one product only

Key differences

The Lenovo 4X21U28840 power adapter/inverter Indoor has 50 W more output power than the Dell 450-BFRW power adapter/inverter Indoor (180 W vs 130 W). The Lenovo 4X21U28840 power adapter/inverter Indoor has 16 V more output voltage than the Dell 450-BFRW power adapter/inverter Indoor (36 V vs 20 V). The Dell 450-BFRW power adapter/inverter Indoor has 5.5 A more output current than the Lenovo 4X21U28840 power adapter/inverter Indoor (10.5 A vs 5 A). Input voltage: 120 - 230 V on the Dell 450-BFRW power adapter/inverter Indoor, 100 - 240 V on the Lenovo 4X21U28840 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 4X21U28840 power adapter/inverter Indoor.

  • Input voltage
    • 450-BFRW power adapter/inverter Indoor:120 - 230 V
    • 4X21U28840 power adapter/inverter Indoor:100 - 240 V
  • Output power
    • 450-BFRW power adapter/inverter Indoor:130 W
    • 4X21U28840 power adapter/inverter Indoor:180 W
  • Output voltage
    • 450-BFRW power adapter/inverter Indoor:20 V
    • 4X21U28840 power adapter/inverter Indoor:36 V
  • Output current
    • 450-BFRW power adapter/inverter Indoor:10.5 A
    • 4X21U28840 power adapter/inverter Indoor:5 A
  • Operating temperature (T-T)
    • 450-BFRW power adapter/inverter Indoor:0 - 35 °C
    • 4X21U28840 power adapter/inverter Indoor:0 - 40 °C
  • Operating relative humidity (H-H)
    • 450-BFRW power adapter/inverter Indoor:0 - 95%
    • 4X21U28840 power adapter/inverter Indoor:8 - 80%
  • Width
    • 450-BFRW power adapter/inverter Indoor:61 mm
    • 4X21U28840 power adapter/inverter Indoor:147.5 mm
  • Depth
    • 450-BFRW power adapter/inverter Indoor:25.4 mm
    • 4X21U28840 power adapter/inverter Indoor:69 mm

Side by side

Differences highlightedShow differences only (on)
Comparison of 450-BFRW, 4X21U28840
27 specifications
Features5 differ
Input voltageDiffers120 - 230 V100 - 240 V
Output powerDiffers130 W180 W
Output voltageDiffers20 V36 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
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 mm147.5 mm
DepthDiffers25.4 mm69 mm
HeightDiffers132.1 mm22 mm
WeightDiffers331 g510 g
Packaging dataidentical
Package widthKnown for oneUnknown — not stated by the source240 mm
Package depthKnown for oneUnknown — not stated by the source145 mm
Package heightKnown for oneUnknown — not stated by the source52 mm
Package weightKnown for oneUnknown — not stated by the source630 g
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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