Dell 330W AC Adapter 19.5V 16.9A 7.4mm Barrel Power Supply (GT1CX)

This Dell 330W AC adapter delivers stable 19.5V power for high-performance Alienware laptops, with a 7.4mm barrel connector and 16.9A output that meets the demands of gaming and workstation systems. Unlike generic adapters, it matches the original Dell specification for reliable charging under load.

Highlights

• 330W output for power-hungry laptops
• 7.4mm outer diameter barrel connector
• Input: 100-240V AC for worldwide use
• Overload, over-voltage, and short-circuit protection

In daily use

The adapter's 1.8m DC cable gives flexibility at your desk, while the IEC C13 AC input works with standard power cords. Its Level VI efficiency reduces energy waste and heat, and the black housing blends into any setup. Compatible with Dell Alienware models like M18x, M17x R4, 17 R1/R2/R3, 18, and Area-51m.

Full specifications

• Output power: 330 W
• Output voltage: 19.5 V
• Output current: 16.9 A
• Input voltage: 100-240 V AC
• Input frequency: 50/60 Hz
• DC connector outer diameter: 7.4 mm
• DC connector inner diameter: 5.0 mm
• AC input connector: IEC C13
• DC cable length: 1.8 m
• AC cable length: 1.8 m
• Energy efficiency: Level VI
• Product colour: Black
• Operating temperature: 0°C to 40°C
• Storage temperature: -20°C to 65°C
• Power protection features: Overload Protection, Over-voltage Protection, Short-circuit Protection

Final note

For Dell Alienware laptops that require a 330W adapter, this unit provides the necessary power and connector compatibility.