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Product comparison · 2 power adapters & inverters

Lenovo GX21T87702 power adapter/inverter Indoor Black 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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  • 18specifications compared
  • 12differ
  • 6identical
  • 17known for one product only

Key differences

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 has 0.7 A more input current than the Lenovo GX21T87702 power adapter/inverter Indoor Black (2.2 A vs 1.5 A). The Lenovo GX21T87702 power adapter/inverter Indoor Black has 7.25 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 (12.25 A vs 5 A). The Lenovo GX21T87702 power adapter/inverter Indoor Black has 114.6 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 (165 mm vs 50.4 mm). Input frequency: 50/60 Hz on the Lenovo GX21T87702 power adapter/inverter Indoor Black, 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 GX21T87702 power adapter/inverter Indoor Black, 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
    • 1.5 A
    • 2.2 A
  • Output voltage
    • 20 V
    • 5 - 28 V
  • Output current
    • 12.25 A
    • 5 A
  • Width
    • 165 mm
    • 50.4 mm
  • Depth
    • 76 mm
    • 132.6 mm
  • Height
    • 254 mm
    • 31.6 mm
  • Weight
    • 800 g
    • 338 g

Side by side

Differences highlightedShow differences only
35 specifications
A

Lenovo

GX21T87702 power adapter/inverter Indoor Black

Model GX21T87702

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
Input frequencyDiffers50/60 Hz50 - 60 Hz
Input currentDiffers1.5 A2.2 A
Output powerKnown for one140 W
Output voltageDiffers20 V5 - 28 V
Output currentDiffers12.25 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
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 IEC 62368-1/CE EMC/PSE/IRAM/NOM/DOE,ErP,CoC/Nrcan/FCC and ICES/Mexico MEPS/PSB/CCC/KC,MSIP/RCM/Australia safety/BSMI/EAC/GS/Serbia/Ukraine/SI/NRCS/SIRIM/ISC/SONCAP/STZ/INSM/KUCAS/BIS/Morocco/SEC
Weight & dimensions4 differ
WidthDiffers165 mm50.4 mm
DepthDiffers76 mm132.6 mm
HeightDiffers254 mm31.6 mm
WeightDiffers800 g338 g
Cable lengthKnown for one1.8 m
Packaging data4 differ
Package widthDiffers235 mm180 mm
Package depthDiffers200 mm122 mm
Package heightDiffers80 mm59 mm
Package weightDiffers1.1 kg600 g
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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