Dell 330W AC Adapter 19.5V 16.9A 7.4mm Barrel with Power Cord (Y90RR)

Deliver 330 W of reliable power to your Dell workstation with this high-capacity AC adapter. It outputs 19.5 V DC at 16.9 A through a 7.4 mm barrel connector, making it suitable for Dell Alienware, Precision, and XPS laptops that demand high wattage.

Overview

The Dell Y90RR power adapter is built for performance. It accepts 100–240 V AC input at 50/60 Hz, drawing up to 4.4 A, and converts it to a stable 19.5 V DC output. The 7.4 mm outer diameter barrel connector (5.0 mm inner diameter) ensures a secure fit with compatible Dell systems. Both AC and DC cables measure 1.8 m, giving you flexibility in placement.

What stands out

• 330 W maximum output power for high-performance laptops
• 19.5 V DC output with 16.9 A current
• 7.4 mm barrel connector (5.0 mm inner diameter)
• Wide input voltage range: 100–240 V AC
• Includes AC power cord
• Black colour

Technical details

• Output power: 330 W
• Output voltage: 19.5 V DC
• Output current: 16.9 A
• Input voltage: 100–240 V AC
• Input frequency: 50/60 Hz
• Input current: 4.4 A
• Connector type: Barrel (7.4 mm x 5.0 mm)
• Connector outer diameter: 7.4 mm
• Connector inner diameter: 5.0 mm
• AC cable length: 1.8 m
• DC cable length: 1.8 m
• Colour: Black
• Included accessories: AC power cord

Our verdict

A robust, high-wattage power solution for Dell's most demanding laptops. The 330 W output and 7.4 mm barrel connector ensure compatibility and reliable performance.