ASUS Zenbook Duo ux8406 14.0in OLED 3K 120Hz 2-in-1 Laptop

In this review the ASUS Zenbook Duo ux8406 stands out for creators and power users who need a compact, highly responsive 2-in-1 with serious multitasking capacity. The single biggest reason to buy is the combination of a bright 14.0in OLED 2.8K 120Hz touchscreen and a high-end Ultra 9-285H processor paired with 32GB RAM and a roomy 4TB PCIe SSD, which together deliver fluid creative workflows and fast file handling in a portable package. The included active pen and portable USB hub make it a capable on-the-go workstation.

Key Features

• 14.0in OLED 2.8K 120Hz Touchscreen: Delivers vivid colors, deep contrast and smooth motion for photo editing and video previewing on a compact display.
• Ultra 9-285H Processor: A powerful 16-core CPU with boost up to 5.4GHz that handles heavy multitasking and demanding applications without visible slowdowns.
• 32GB LPDDR5X RAM: Large, fast onboard memory that keeps many apps and browser tabs responsive during creative sessions and research.
• 4TB PCIe NVMe SSD: Massive, high-speed local storage that minimizes load times and provides space for large media libraries and project files.
• Active Pen and Touch Input: Built-in pen support and a responsive touchscreen simplify sketching, annotation, and precise editing tasks.
• Thunderbolt 4 and HDMI: Multiple high-speed ports plus the included portable USB hub expand display and peripheral options for docking and external workflows.

Who It's For

The ux8406 is aimed at creative professionals, content creators and power users who need a compact 2-in-1 with a best-in-class display and a high-performance CPU for editing, rendering and multitasking. Photographers and designers will appreciate the OLED color depth and the active pen for direct input.

Those who should look elsewhere include buyers on a strict budget or users who prioritize ultralight battery-only endurance above peak CPU performance; while the 75 WHr battery and efficient components are solid, extreme all-day unplugged use with sustained heavy workloads will trade off performance for runtime.

Pros & Cons

Pros

• Exceptional OLED 2.8K 120Hz touchscreen gives accurate color and smooth motion for creative work.
• Top-tier CPU and 32GB RAM deliver sustained multitasking and fast responsiveness for demanding apps.
• Large 4TB PCIe SSD removes common storage compromises and speeds project load times.
• Includes active pen and a portable USB hub to expand input and connectivity on the move.

Cons

• Onboard RAM and high performance components limit user upgrade options since 32GB is soldered on.
• The 75 WHr battery is good but heavy sustained workloads will reduce unplugged runtime compared with lower-power ultraportables.

Specifications

Display	14.0in OLED 2880x1800 120Hz touchscreen
Processor	Intel Ultra 9-285H up to 5.4GHz, 16 cores
Memory	32GB LPDDR5X onboard
Storage	4TB PCIe NVMe SSD
Graphics	Intel Arc integrated graphics
Ports	HDMI, 2x Thunderbolt 4, audio combo jack, Type-C power-in
Battery & Power	4-cell 75 WHr battery, 65W PSU

Our Verdict

The ASUS Zenbook Duo ux8406 is a compelling 2-in-1 for creative professionals who need a color-accurate OLED touchscreen, high single- and multi-core CPU performance, and large fast storage in a portable chassis. It represents good value for users who will use the extra power and storage; those seeking the lightest, longest-running ultrabook should consider alternatives, but for performance and versatility this model is hard to beat.

Frequently Asked Questions

Does it include a pen and hub?
Yes, the package includes an active pen plus an authorized Dockztorm portable USB data hub with up to 5Gbps transfer.

Is the RAM upgradeable?
No, the 32GB LPDDR5X is onboard and not user-upgradeable.

What operating system is installed?
The laptop ships with Windows 11 Pro 64-bit preinstalled.