Product comparison · 2 power adapters & inverters

Lenovo 4X21U28824 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

21specifications compared
13differ
8identical
15known 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 4X21U28824 power adapter/inverter Indoor (2.2 A vs 1.5 A). The Lenovo 4X21U28824 power adapter/inverter Indoor has 69.6 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 (120 mm vs 50.4 mm). 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 70.1 mm more depth than the Lenovo 4X21U28824 power adapter/inverter Indoor (132.6 mm vs 62.5 mm). Purpose: PC on the Lenovo 4X21U28824 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. Output voltage: 28 V on the Lenovo 4X21U28824 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.

Purpose
- 4X21U28824 power adapter/inverter Indoor:PC
- 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:Laptop
Input current
- 4X21U28824 power adapter/inverter Indoor:1.5 A
- 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:2.2 A
Output voltage
- 4X21U28824 power adapter/inverter Indoor:28 V
- 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:5 - 28 V
Brand compatibility
- 4X21U28824 power adapter/inverter Indoor:Lenovo
- 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:Any brand
Width
- 4X21U28824 power adapter/inverter Indoor:120 mm
- 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:50.4 mm
Depth
- 4X21U28824 power adapter/inverter Indoor:62.5 mm
- 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:132.6 mm
Height
- 4X21U28824 power adapter/inverter Indoor:22 mm
- 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:31.6 mm
Weight
- 4X21U28824 power adapter/inverter Indoor:440 g
- 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:338 g

Side by side

Differences highlightedShow differences only

Comparison of 4X21U28824, 1140LE-USB-C-CHARGER
36 specifications	A Lenovo 4X21U28824 power adapter/inverter Indoor Model 4X21U28824 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
Features5 differ
PurposeDiffers	PC	Laptop
Input currentDiffers	1.5 A	2.2 A
Output voltageDiffers	28 V	5 - 28 V
USB Power Delivery revisionKnown for one	Unknown — not stated by the source	3.1
Power protection featuresKnown for one	Unknown — not stated by the source	Over voltage, Over current, Overheating
Brand compatibilityDiffers	Lenovo	Any brand
CompatibilityDiffers	ThinkPad	MacBook M3/M4/M5 Pro/Max, Dell Pro/Plus/Premium
Performanceidentical
USB connectivityKnown for one	Unknown — not stated by the source	Yes
USB connector typeKnown for one	Unknown — not stated by the source	USB Type-C
Operational conditionsidentical
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Operating relative humidity (H-H)Known for one	8 - 80%	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	CE, Federal Communications Commission (FCC), PSE
CertificationKnown for one	UL/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	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	120 mm	50.4 mm
DepthDiffers	62.5 mm	132.6 mm
HeightDiffers	22 mm	31.6 mm
WeightDiffers	440 g	338 g
Cable lengthKnown for one	1 m	Unknown — not stated by the source
Packaging data4 differ
Package widthDiffers	262 mm	180 mm
Package depthDiffers	110 mm	122 mm
Package heightDiffers	52 mm	59 mm
Package weightDiffers	530 g	600 g
Package typeKnown for one	Box	Unknown — not stated by the source
Packaging contentidentical
Included power plug typesKnown for one	Unknown — not stated by the source	US
Logistics dataidentical
Master (outer) case widthKnown for one	Unknown — not stated by the source	380 mm
Master (outer) case lengthKnown for one	Unknown — not stated by the source	315 mm
Master (outer) case heightKnown for one	Unknown — not stated by the source	315 mm
Products per master (outer) caseKnown for one	Unknown — not stated by the source	20 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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