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Product comparison · 2 power adapters & inverters

Lenovo 4X21W23075 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
  • 15differ
  • 4identical
  • 17known for one product only

Key differences

The Lenovo 4X21W23075 power adapter/inverter Indoor has 10 W more output power 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 (150 W vs 140 W). The Lenovo 4X21W23075 power adapter/inverter Indoor has 2.5 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 (7.5 A vs 5 A). The Lenovo 4X21W23075 power adapter/inverter Indoor has 99.6 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 (150 mm vs 50.4 mm). Purpose: PC on the Lenovo 4X21W23075 power adapter/inverter Indoor, Laptop 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 voltage: 9 - 48 V on the Lenovo 4X21W23075 power adapter/inverter Indoor, 100 - 240 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.

  • Purpose
    • PC
    • Laptop
  • Input voltage
    • 9 - 48 V
    • 100 - 240 V
  • Output power
    • 150 W
    • 140 W
  • Output voltage
    • 20 V
    • 5 - 28 V
  • Output current
    • 7.5 A
    • 5 A
  • Brand compatibility
    • Lenovo
    • Any brand
  • Width
    • 150 mm
    • 50.4 mm
  • Depth
    • 53 mm
    • 132.6 mm

Side by side

Differences highlightedShow differences only
36 specifications
A

Lenovo

4X21W23075 power adapter/inverter Indoor

Model 4X21W23075

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
Features7 differ
PurposeDiffersPCLaptop
Input voltageDiffers9 - 48 V100 - 240 V
Input frequencyKnown for one50 - 60 Hz
Input currentKnown for one2.2 A
Output powerDiffers150 W140 W
Output voltageDiffers20 V5 - 28 V
Output currentDiffers7.5 A5 A
USB Power Delivery revisionKnown for one3.1
Power protection featuresKnown for oneOver voltage, Over current, Overheating
Brand compatibilityDiffersLenovoAny brand
CompatibilityDiffersM70q, M75q, M90q, Neo 50qMacBook M3/M4/M5 Pro/Max, Dell Pro/Plus/Premium
Performanceidentical
USB connectivityKnown for oneYes
USB connector typeKnown for oneUSB Type-C
Operational conditionsidentical
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, CB, CE EMC, CE DoC, DOE, ErP, CoC, Nrcan, FCC, ICES, NOM, Morocco DoC, UKCA, CCC, CEC
Weight & dimensions4 differ
WidthDiffers150 mm50.4 mm
DepthDiffers53 mm132.6 mm
HeightDiffers30 mm31.6 mm
WeightDiffers320 g338 g
Cable lengthKnown for one1 m
Packaging data4 differ
Package widthDiffers238 mm180 mm
Package depthDiffers144 mm122 mm
Package heightDiffers54 mm59 mm
Package weightDiffers500 g600 g
Package typeKnown for oneBox
Packaging contentidentical
Included power plug typesKnown for oneUS
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)

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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