ASUS Zenbook Duo UX840, Intel Core Ultra 9 285H, 32GB DDR5 RAM, 2TB SSD (90NB14X1-M00670)

The ASUS Zenbook Duo UX840 is a premium dual-screen laptop engineered for advanced multitasking, creative workflows, and AI-powered productivity. Powered by the Intel Core Ultra 9 285H processor with integrated AI Boost NPU, this innovative device features two stunning 14-inch 3K OLED touch displays, 32GB high-speed LPDDR5X memory, and a massive 2TB PCIe 4.0 NVMe SSD. Designed for professionals who demand flexibility and performance, the Zenbook Duo combines a detachable keyboard, integrated kickstand, and versatile usage modes in a sleek, portable form factor.

Product Features

Dual 3K OLED Touchscreen Design

The dual 14-inch OLED touch displays deliver exceptional clarity with 3K resolution, 120Hz refresh rate, and 100% DCI-P3 color accuracy, making them ideal for content creation, multitasking, and immersive viewing.

Intel Core Ultra 9 Performance with AI Acceleration

Equipped with the Intel Core Ultra 9 285H processor and Intel AI Boost NPU, the Zenbook Duo delivers powerful performance for demanding workloads, AI-assisted applications, and efficient multitasking.

Advanced Multitasking Modes

The innovative dual-screen layout supports multiple usage modes, including traditional laptop mode, dual-screen stacked mode, desktop mode, and sharing mode with a 180-degree flat layout for collaboration.

Detachable Wireless Keyboard and Integrated Kickstand

A full-size backlit Bluetooth keyboard can be magnetically attached or used wirelessly, while the built-in kickstand allows flexible viewing angles between 40 and 70 degrees.

High-Speed Memory and Storage

With 32GB LPDDR5X memory and a 2TB PCIe 4.0 NVMe SSD, the system ensures fast responsiveness, smooth multitasking, and ample storage for large files and creative projects.

Immersive Audio and Visual Experience

Harman Kardon-tuned speakers with Dolby Atmos deliver rich, clear sound, while the OLED displays are VESA DisplayHDR True Black certified for deep contrast and vibrant colors.

Secure and Modern Connectivity

Wi-Fi 7 and Bluetooth 5.4 provide ultra-fast wireless connectivity, while Thunderbolt 4 ports enable high-speed data transfer, external displays, and charging.

Premium Build and Portability

Despite its dual-screen design, the Zenbook Duo maintains a slim and lightweight profile and meets US MIL-STD 810H military-grade durability standards for reliable everyday use.

Product Specifications

• Model Number: 90NB14X1-M00670
• Model Series: ASUS Zenbook Duo UX840 (UX8406CA)
• Processor: Intel Core Ultra 9 285H with Intel AI Boost NPU
• Graphics: Integrated Intel Arc Graphics
• Memory: 32GB LPDDR5X (on-board, non-upgradable)
• Storage: 2TB M.2 NVMe PCIe 4.0 SSD
• Displays: Dual 14-inch 3K OLED touchscreens, 2880 x 1800, 120Hz, 100% DCI-P3
• Operating System: Windows 11 Home
• Audio: Harman Kardon speakers with Dolby Atmos
• Camera: FHD IR camera with Windows Hello support
• Connectivity: Wi-Fi 7, Bluetooth 5.4
• Ports: 2x Thunderbolt 4, 1x USB 3.2 Gen 1 Type-A, 1x HDMI 2.1, 1x 3.5mm audio jack
• Battery: 75Wh, 4-cell Li-ion
• Weight: Approx. 1.65 kg (without keyboard)
• Durability: US MIL-STD 810H certified
• Included Accessories: Detachable Bluetooth keyboard, ASUS Pen 2.0, sleeve, 65W USB-C charger