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MSI 400 W AC adapter brick with textured black finish

MSI

MSI 400 W AC adapter 18221P108

SKU CH-BR3V-PNAA7

400 W AC adapter compatible with Titan 18HX and Creator Pro HX laptops

  • Battery typeAC Adapters
  • High 400 W output powers demanding laptops
  • Compatible with Titan 18HX and Creator Pro HX
  • 18221P108 model ensures exact replacement fit
  • New unit delivers reliable charging from day one
  • Manufacturer listed in January 2026 for current stock

MSI 400 W AC Adapter 18221P108

This 400-watt AC adapter is built for high-performance MSI laptops such as the Titan 18HX and Creator Pro HX. It replaces a lost or damaged original charger and restores full power delivery for demanding workloads. The unit is supplied new and ready for immediate use.

Replaces original charger or lower-wattage units

A 400 W adapter is required when the laptop draws peak power for intensive tasks such as rendering or gaming. Using a lower-rated charger can throttle performance or prevent charging under load. The jump is worth it whenever the original 400 W brick is missing or has failed.

Barrel-connector AC input limits

The adapter uses a proprietary barrel connector that fits only compatible MSI models. It cannot charge laptops that require USB-C Power Delivery or a different pin layout. Polarity and tip dimensions must match the device exactly or the unit will not connect.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $294.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameMSI
Power
Battery typeAC Adapters

Questions about this item

Which MSI laptop models does the 400 W 18221P108 adapter support?

The adapter is listed for the Titan 18HX and Creator Pro HX series, matching the 400 W power requirement of those models.

What connector does the 18221P108 use to attach to the laptop?

The unit uses a barrel-style DC plug; the common mistake is forcing the plug without aligning the centre pin, which can bend the receptacle.

How often should the 400 W MSI adapter be replaced under normal use?

A quality 400 W brick typically lasts several years; replace it if the cable frays, the brick overheats, or the laptop refuses to charge.

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