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Product comparison · 2 power adapters & inverters

Lenovo GX21M50633 power adapter/inverter Indoor vs StarTech.com 140W USB-C Laptop Charger with 4ft (1.2m) Tethered USB-C Cable, GaN Power Adapter Brick for MacBook M3/M4/M5 Pro/Max, Dell Pro/Plus/Premium

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  • 19specifications compared
  • 12differ
  • 7identical
  • 18known for one product only

Key differences

The Lenovo GX21M50633 power adapter/inverter Indoor has 0.3 A more input current than the StarTech.com 140W USB-C Laptop Charger with 4ft (1.2m) Tethered USB-C Cable, GaN Power Adapter Brick for MacBook M3/M4/M5 Pro/Max, Dell Pro/Plus/Premium (2.5 A vs 2.2 A). The Lenovo GX21M50633 power adapter/inverter Indoor has 2 A more output current than the StarTech.com 140W USB-C Laptop Charger with 4ft (1.2m) Tethered USB-C Cable, GaN Power Adapter Brick for MacBook M3/M4/M5 Pro/Max, Dell Pro/Plus/Premium (7 A vs 5 A). The Lenovo GX21M50633 power adapter/inverter Indoor has 71.6 mm more width than the StarTech.com 140W USB-C Laptop Charger with 4ft (1.2m) Tethered USB-C Cable, GaN Power Adapter Brick for MacBook M3/M4/M5 Pro/Max, Dell Pro/Plus/Premium (122 mm vs 50.4 mm). Input frequency: 50/60 Hz on the Lenovo GX21M50633 power adapter/inverter Indoor, 50 - 60 Hz on the StarTech.com 140W USB-C Laptop Charger with 4ft (1.2m) Tethered USB-C Cable, GaN Power Adapter Brick for MacBook M3/M4/M5 Pro/Max, Dell Pro/Plus/Premium. Output voltage: 20 V on the Lenovo GX21M50633 power adapter/inverter Indoor, 5 - 28 V on the StarTech.com 140W USB-C Laptop Charger with 4ft (1.2m) Tethered USB-C Cable, GaN Power Adapter Brick for MacBook M3/M4/M5 Pro/Max, Dell Pro/Plus/Premium.

  • Input frequency
    • 50/60 Hz
    • 50 - 60 Hz
  • Input current
    • 2.5 A
    • 2.2 A
  • Output voltage
    • 20 V
    • 5 - 28 V
  • Output current
    • 7 A
    • 5 A
  • Width
    • 122 mm
    • 50.4 mm
  • Depth
    • 62 mm
    • 132.6 mm
  • Height
    • 26.5 mm
    • 31.6 mm
  • Weight
    • 328 g
    • 338 g

Side by side

Differences highlightedShow differences only
37 specifications
A

Lenovo

GX21M50633 power adapter/inverter Indoor

Model GX21M50633

View product
B

StarTech.com

140W USB-C Laptop Charger with 4ft (1.2m) Tethered USB-C Cable, GaN Power Adapter Brick for MacBook M3/M4/M5 Pro/Max, Dell Pro/Plus/Premium

Model 1140LE-USB-C-CHARGER

View product
Features4 differ
PurposeLaptopLaptop
Power supply typeIndoorIndoor
Input voltage100 - 240 V100 - 240 V
Input frequencyDiffers50/60 Hz50 - 60 Hz
Input currentDiffers2.5 A2.2 A
Output power140 W140 W
Output voltageDiffers20 V5 - 28 V
Output currentDiffers7 A5 A
USB Power Delivery revisionKnown for one3.1
Power protection featuresKnown for oneOver voltage, Over current, Overheating
Brand compatibilityKnown for oneAny brand
CompatibilityKnown for oneMacBook M3/M4/M5 Pro/Max, Dell Pro/Plus/Premium
Power current typeKnown for oneAC-to-DC
Performanceidentical
USB connectivityKnown for oneYes
USB connector typeKnown for oneUSB Type-C
Designidentical
Product colourBlackBlack
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)Known for one-20 - 60 °C
Operating relative humidity (H-H)Known for one8 - 80%
Certificatesidentical
Compliance certificatesKnown for oneCE, Federal Communications Commission (FCC), PSE
CertificationKnown for oneUL/CSA/IECEE CB/&EMC/ES/PSE/Australian/New Zealand/MEPS/Nordic/CCC/PSB/NOM/Russian/IRAM/Serbia EMC/Croatia EMC/GS marketing/CECP/SASO/NZ SDOC/SII
Weight & dimensions4 differ
WidthDiffers122 mm50.4 mm
DepthDiffers62 mm132.6 mm
HeightDiffers26.5 mm31.6 mm
WeightDiffers328 g338 g
Cable lengthKnown for one1 m
Packaging data4 differ
Package widthDiffers165 mm180 mm
Package depthDiffers167 mm122 mm
Package heightDiffers60 mm59 mm
Package weightDiffers900 g600 g
Package typeKnown for oneBox
Packaging contentidentical
Included power plug typesKnown for oneUS
Quantity per pack1 pc(s)1 pc(s)
Logistics dataidentical
Master (outer) case widthKnown for one380 mm
Master (outer) case lengthKnown for one315 mm
Master (outer) case heightKnown for one315 mm
Products per master (outer) caseKnown for one20 pc(s)

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