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Gray dual-screen laptop with two 14 inch 3K OLED touch displays, thin chassis

ASUS

ASUS Zenbook Duo UX8406CA-PS99T-HID3P 14" 3K OLED 120Hz Touch Ultra 9-285H 32GB 4TB gaming

SKU CH-BAT3-2EVYT

Dual-screen 14-inch 3K OLED touch laptop with 16-core Core Ultra 9 285H, 32 GB LPDDR5X, 4 TB NVMe storage and Intel Arc graphics

  • ColorGray
  • Operating SystemWindows 11 Pro
  • CPUIntel® Core Ultra 9-285H
  • Screen14" 3K WQXGA+
  • Memory32GB
  • Storage4 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Dual 14" 3K OLED 120Hz touchscreens expand creative workspace
  • Intel Core Ultra 9 285H 16-core 5.4 GHz turbo powers heavy workloads
  • 32 GB LPDDR5X memory handles large multitask sessions smoothly
  • 4 TB PCIe 4.0 NVMe SSD stores massive game libraries fast
  • Gelid GC Extreme thermal compound keeps CPU and GPU cooler

Dual-screen 14" OLED workstation

The ASUS Zenbook Duo UX8406CA-PS99T-HID3P is a 14-inch gaming laptop built around a 3K WQXGA+ OLED touchscreen running at 120 Hz. It ships with Windows 11 Pro, an Intel Core Ultra 9 285H processor, 32 GB of LPDDR5X memory and a 4 TB PCIe 4.0 x4 NVMe SSD. The 16-core Arrow Lake CPU reaches a maximum turbo frequency of 5.4 GHz and includes integrated Intel Arc graphics.

Gelid GC Extreme thermal compound sustains clocks

HIDevolution applies Gelid GC Extreme thermal interface material to the CPU and GPU during assembly. This upgrade lowers sustained operating temperatures so the processor can hold higher frequencies for longer periods under continuous load. The 24 MB smart cache and 16 threads remain responsive during extended rendering or compile workloads without the throttling typical of stock paste applications.

Factory thermal and storage upgrades replace stock

The laptop arrives with the Gelid compound pre-applied and the 4 TB NVMe drive installed, removing the need for user disassembly. Buyers who want cooler sustained performance and maximum capacity out of the box gain immediate benefit. The jump is worth it when the workflow demands long sessions at full tilt and the 32 GB LPDDR5X ceiling matches the project scope.

Highlights

  • Dual 14" 3K OLED 120Hz touchscreens expand creative workspace
  • Intel Core Ultra 9 285H 16-core 5.4 GHz turbo powers heavy workloads
  • 32 GB LPDDR5X memory handles large multitask sessions smoothly
  • 4 TB PCIe 4.0 NVMe SSD stores massive game libraries fast
  • Gelid GC Extreme thermal compound keeps CPU and GPU cooler

Specifications

BrandASUS
SeriesZenBook Duo
ModelZenbook Duo UX8406CA-PS99T
Part NumberUX8406CA-PS99T-HID3P
ColorGray
Operating SystemWindows 11 Pro
CPUIntel® Core Ultra 9-285H
Screen14" 3K WQXGA+
Memory32GB
Storage4 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
SSD4TB
HDDNo
Storage Spec4 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 does the Intel Core Ultra 9 285H with Gelid GC Extreme thermal compound manage heat and noise during extended gaming sessions?

The 16-core Arrow Lake processor runs at a 2.7 GHz base with a 5.4 GHz max turbo, and HIDevolution applies Gelid GC Extreme on both CPU and GPU to lower temperatures and keep fan noise down during long workloads.

What peripherals or accessories are required to use the dual-screen OLED touch display and Windows 11 Pro out of the box?

Nothing extra is needed; the 14-inch 2880 x 1800 OLED panel at 120 Hz, 32 GB LPDDR5X, 4 TB PCIe 4.0 x4 NVMe SSD and Windows 11 Pro are all integrated and ready to use.

Will my existing USB-C dock and external monitor work with the Intel Arc graphics and available ports on this chassis?

The system uses Intel Arc graphics driving a 14-inch 3K 120 Hz touchscreen; video-out capability depends on the specific USB-C implementation ASUS chose for this model.

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