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Dual-screen gray laptop with 14 inch 3K OLED touch display open at 120 degrees

ASUS

ASUS Zenbook Duo UX8406CA-PS99T 14" 3K OLED 120Hz Touch Ultra 9 285H 32GB 8TB gaming laptop

SKU CH-42PE-4Q1GQ

Dual-screen 14" 3K OLED 120Hz touch laptop with 16-core Ultra 9 285H, 32GB LPDDR5X, and 8TB NVMe SSD

  • ColorGray
  • Operating SystemWindows 11 Pro
  • CPUIntel® Core Ultra 9-285H
  • Screen14" 3K WQXGA+
  • Memory32GB
  • Storage8 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Dual 14" 3K OLED 120Hz touchscreens expand creative workspace
  • 16-core Ultra 9 285H up to 5.4 GHz handles heavy workloads
  • 32 GB LPDDR5X memory keeps multitasking smooth
  • 8 TB PCIe 4.0 NVMe SSD stores massive libraries fast
  • Gelid GC Extreme thermal paste lowers CPU and GPU temperatures

Dual-Screen Zenbook Duo UX8406CA-PS99T

The ASUS Zenbook Duo UX8406CA-PS99T is a 14-inch dual-screen laptop built around an Intel Core Ultra 9 285H processor with 16 cores and 24 MB L3 cache. It ships with 32 GB of LPDDR5X memory and an 8 TB PCIe 4.0 x4 NVMe SSD. The primary display is a 3K WQXGA+ OLED panel at 120 Hz with touch input. Integrated Intel Arc graphics handle visual output. Windows 11 Pro comes pre-installed.

Installation and thermal notes

The unit arrives as a completed build from an authorised ASUS BTO partner. Gelid GC Extreme thermal compound has been applied to the CPU and GPU during assembly to improve heat transfer. BIOS firmware and drivers are updated to the latest stable versions before shipping. A full burn-in stress test and bench verification are performed to confirm thermal behaviour and component stability. No end-user assembly is required.

Target user and alternatives

This configuration suits professionals who need a large 8 TB NVMe volume and 32 GB memory for local workloads such as video editing, 3D asset management or data science. The dual-screen form factor benefits multitasking workflows that spread timelines, reference material or code across two panels. Buyers whose primary focus is high-frame-rate gaming or who require discrete GPU compute should evaluate systems with dedicated graphics instead.

Highlights

  • Dual 14" 3K OLED 120Hz touchscreens expand creative workspace
  • 16-core Ultra 9 285H up to 5.4 GHz handles heavy workloads
  • 32 GB LPDDR5X memory keeps multitasking smooth
  • 8 TB PCIe 4.0 NVMe SSD stores massive libraries fast
  • Gelid GC Extreme thermal paste lowers CPU and GPU temperatures

Specifications

BrandASUS
SeriesZenBook Duo
ModelZenbook Duo UX8406CA-PS99T
Part NumberUX8406CA-PS99T-HID4P
ColorGray
Operating SystemWindows 11 Pro
CPUIntel® Core Ultra 9-285H
Screen14" 3K WQXGA+
Memory32GB
Storage8 TB M.2 PCIe 4.0 x4 NVMe SSD
Graphics CardIntel® Arc™ Graphics
Dimensions (W x D x H)12.34" x 8.58" x 0.57" ~ 0.78"
Weight3.64 lbs
CPU TypeIntel Core Ultra 9 (Series 2)
Processor NameIntel Core Ultra 9 285H
Number of Cores16
Core NameArrow Lake
Turbo FrequencyMax Turbo Frequency 5.4 GHz
CPU L3 Cache24 MB
Screen Size14.0"
TouchscreenTouch Screen
Display Type3K WQXGA+ OLED
Resolution2880 x 1800
Refresh Rate120Hz
Color GamutDCI-P3:100%
Display FeaturesOLED
GPU/VPUIntel Arc Graphics
Video MemoryShared system memory
Graphic TypeDedicated Card
SSD8TB
HDDNo
Storage Spec8 TB M.2 PCIe 4.0 x4 NVMe SSD
Memory Spec32 GB On-Board
Max Memory Supported32GB
WLANWi-Fi 7(802.11be) (Tri-band)2*2
WiFi Generation7
BluetoothBluetooth® 5.4
USB1x USB 3.2 Gen 1 Type-A
Thunderbolt2x Thunderbolt™ 4 with support for display / power delivery (data speed up to 40Gbps)
HDMI1x HDMI 2.1 TMDS
Audio Ports1 x 3.5mm Combo Audio Jack, 1 x Built-in array microphone
AudioSmart Amp Technology, harman/kardon (Premium) with Cortana support
SpeakerBuilt-in speaker
TouchpadPrecision touchpad
KeyboardSoft Keyboard, 1.4mm Key-travel
Backlit KeyboardBacklit
StyleThin and Light
TypeWork / Business
UsageConsumer
AC Adapter/ChargerTYPE-C, 65W AC Adapter, Output: 20V DC, 3.25A, 65W, Input: 100-240V AC 50/60GHz universal
Battery75WHrs, 4S1P, 4-cell Li-ion

Questions about this item

How can I verify the 14" 3K OLED touchscreen is running at 120 Hz after Windows 11 Pro setup?

Open Settings > System > Display > Advanced display and confirm the refresh rate dropdown shows 120 Hz for the built-in 2880 x 1800 panel.

What ships inside the box and what must I purchase separately?

The laptop with 32 GB LPDDR5X soldered memory, 8 TB PCIe 4.0 x4 NVMe SSD, Intel Arc graphics and Windows 11 Pro installed; no user-replaceable parts are included, so only peripherals such as a mouse or external drive would be separate purchases.

Which configuration should I choose if I need the highest storage capacity offered for this model?

This SKU already provides the maximum listed capacity of 8 TB on a single M.2 PCIe 4.0 x4 NVMe drive; there is no larger factory option for the UX8406CA-PS99T.

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