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Product comparison · 2 power adapters & inverters

Dell 12K3X power adapter/inverter Indoor vs Lenovo 4X21U28840 power adapter/inverter Indoor

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  • 16specifications compared
  • 11differ
  • 5identical
  • 13known for one product only

Key differences

The Lenovo 4X21U28840 power adapter/inverter Indoor has 50 W more output power than the Dell 12K3X 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 12K3X power adapter/inverter Indoor (36 V vs 20 V). The Dell 12K3X 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 12K3X 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 12K3X power adapter/inverter Indoor, 0 - 40 °C on the Lenovo 4X21U28840 power adapter/inverter Indoor.

  • Input voltage
    • 120 - 230 V
    • 100 - 240 V
  • Output power
    • 130 W
    • 180 W
  • Output voltage
    • 20 V
    • 36 V
  • Output current
    • 10.5 A
    • 5 A
  • Operating temperature (T-T)
    • 0 - 35 °C
    • 0 - 40 °C
  • Operating relative humidity (H-H)
    • 0 - 95%
    • 8 - 80%
  • Width
    • 59.9 mm
    • 147.5 mm
  • Depth
    • 26.4 mm
    • 69 mm

Side by side

Differences highlightedShow differences only
29 specifications
A

Dell

12K3X power adapter/inverter Indoor

Model 12K3X

View product
B

Lenovo

4X21U28840 power adapter/inverter Indoor

Model 4X21U28840

View product
Features5 differ
PurposeLaptopLaptop
Power supply typeIndoorIndoor
Input voltageDiffers120 - 230 V100 - 240 V
Input frequency50 - 60 Hz50 - 60 Hz
Output powerDiffers130 W180 W
Output voltageDiffers20 V36 V
Output currentDiffers10.5 A5 A
Brand compatibilityKnown for oneLenovo
CompatibilityDiffersAlienware m17 R3 Alienware x14 R1 Alienware x14 R2 (Intel) Dell 16 Premium DA16250 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 5421ThinkPad
Input currentKnown for one1.8 A
Power protection featuresKnown for oneOverload
Designidentical
Product colourBlackBlack
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 °C
Storage relative humidity (H-H)Known for one0 - 95%
Certificatesidentical
CertificationKnown for oneUL/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 one1 m
WidthDiffers59.9 mm147.5 mm
DepthDiffers26.4 mm69 mm
HeightDiffers132.1 mm22 mm
WeightDiffers331.1 g510 g
Packaging dataidentical
Package widthKnown for one240 mm
Package depthKnown for one145 mm
Package heightKnown for one52 mm
Package weightKnown for one630 g
Package typeKnown for oneBox
Packaging contentidentical
Quantity per pack1 pc(s)1 pc(s)
Logistics dataidentical
Country of originKnown for oneChina

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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