Asus 90W 4.0MM X 1.35MM 19v Power Supply (ADP-90YD B)

The Asus 90W 19V 4.74A AC Power Adapter (ADP-90YD B) is a compact and reliable square-shaped power supply designed for high-performance Asus notebooks. It delivers 90W of total output power and is compatible with a wide range of devices, including Zenbook, Vivobook, and ROG Swift monitors

While the ADP-90YD B model number is traditionally associated with a 5.5mm x 2.5mm connector, this specific variation is tailored for modern ultra-portables that utilize the smaller 4.0mm x 1.35mm tip. Its sleek, square-box design is more portable than older rectangular versions, making it an ideal replacement or spare for professionals and students alike.

Key Features & Specifications

• Versatile Output: Delivers 19V at 4.74A (90W), providing enough power for high-demand tasks like gaming or video editing while charging the battery.

• Precision Tip: Specifically fitted with a 4.0mm x 1.35mm connector to ensure a secure fit for newer Asus laptop generations.

• Safety Protections: Built-in safeguards protect your device against over-voltage, over-current, and short circuits.

• Compact Square Design: The modern, travel-friendly form factor is designed to fit easily into laptop bags without adding excessive bulk.

• Wide Compatibility: Works seamlessly with many Zenbook and Vivobook series laptops that require a 90W input with the 4.0mm tip.

• Worldwide Use: Supports universal input voltage (100-240V), making it safe for use in different countries with the appropriate power cable.

The Computer Guy Charmhaven Advantage

• Expert Local Support: As the Central Coast’s largest computer centre, we provide hands-on expertise and local technical assistance for all your power and charging solutions.

• In-Store Advice: Unlike shopping online, you can visit us to verify the tip size against your laptop in person, ensuring you get the exact 4.0mm connector you need.