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Dual-screen 14 inch gray laptop with OLED touch display, thin profile

ASUS

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

SKU CH-VNCV-SRY5P

Dual-screen 14" 3K OLED 120 Hz touch laptop with 16-core Ultra 9 285H, 32 GB LPDDR5X and 4 TB PCIe 4.0 NVMe

  • ColorGray
  • Operating SystemWindows 11 Home
  • CPUIntel® Core Ultra 9-285H
  • Screen14" 3K WQXGA+
  • Memory32GB
  • Storage4 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Dual-screen workflow on a 14" 3K OLED 120 Hz touch display
  • 16-core Ultra 9 285H reaches 5.4 GHz turbo for heavy multitasking
  • 32 GB LPDDR5X memory keeps large projects responsive
  • 4 TB PCIe 4.0 x4 NVMe SSD loads games and files fast
  • Gelid GC Extreme thermal compound lowers CPU and GPU temperatures

Dual-Screen 3K OLED for Creative Workflows

The Zenbook Duo UX8406CA-PS99T pairs two 14 inch 3K OLED panels at 120 Hz with an Intel Core Ultra 9 285H processor. Sixteen cores and a 5.4 GHz turbo frequency drive demanding creative applications, while 32 GB of LPDDR5X memory keeps large projects resident. A 4 TB PCIe 4.0 x4 NVMe SSD stores assets locally for fast access.

OLED Touch Constraints in Bright Environments

Each 14.0 inch panel resolves 2880 by 1800 pixels and supports touch input, but OLED emissive technology limits sustained full-screen brightness compared with LCD alternatives. The 120 Hz refresh rate aids motion clarity, yet glossy surfaces reflect ambient light, so outdoor or high-glare use remains a practical limitation.

Upgrade from Single-Screen Ultraportables

This configuration replaces a conventional 14 inch ultraportable when simultaneous reference and canvas views accelerate the workflow. The second display adds value for timeline editing, code-plus-preview, or research-while-writing scenarios; if the primary task stays single-window, the extra panel and its weight penalty of 3.64 lbs are not justified.

Highlights

  • Dual-screen workflow on a 14" 3K OLED 120 Hz touch display
  • 16-core Ultra 9 285H reaches 5.4 GHz turbo for heavy multitasking
  • 32 GB LPDDR5X memory keeps large projects responsive
  • 4 TB PCIe 4.0 x4 NVMe SSD loads games and files fast
  • Gelid GC Extreme thermal compound lowers CPU and GPU temperatures

Specifications

BrandASUS
SeriesZenBook Duo
ModelZenbook Duo UX8406CA-PS99T
Part NumberUX8406CA-PS99T-HID3
ColorGray
Operating SystemWindows 11 Home
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

Should I pick the 32 GB LPDDR5X and 4 TB PCIe 4.0 x4 NVMe SSD configuration or a smaller option?

This model ships with 32 GB LPDDR5X memory and a 4 TB PCIe 4.0 x4 NVMe SSD, so there is no smaller capacity to select for this SKU.

What does the 5.4 GHz max turbo frequency mean when the laptop is under load?

The Intel Core Ultra 9 285H can reach 5.4 GHz on up to 16 cores when thermal headroom allows, giving short bursts of peak performance in demanding tasks.

How does the PCIe 4.0 x4 interface affect real-world SSD speed?

The 4 TB drive uses a PCIe 4.0 x4 NVMe link, which caps sequential throughput at the Gen 4 x4 limit rather than a slower Gen 3 or x2 connection.

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