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Dual-screen 14 inch gray laptop open flat, matte finish, thin bezels, OLED touch displays stacked vertically, compact metal chassis

ASUS

ASUS Zenbook Duo UX8406CA-PS99T 14" 3K OLED 120Hz Touch Ultra 9 285H 32 GB LPDDR5X 2 TB NVMe

SKU CH-HBTB-SDRSF

Dual-screen 14" 3K OLED 120Hz touch laptop with Core Ultra 9 285H, 32 GB LPDDR5X and 2 TB NVMe storage

  • ColorGray
  • Operating SystemWindows 11 Home
  • CPUIntel® Core Ultra 9-285H
  • Screen14" 3K WQXGA+
  • Memory32GB
  • Storage2 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Dual 14" 3K OLED touch screens at 120 Hz for expansive multitasking
  • Intel Core Ultra 9 285H with 16 cores up to 5.4 GHz for heavy workloads
  • 32 GB LPDDR5X memory keeps demanding apps responsive
  • 2 TB PCIe 4.0 x4 NVMe SSD delivers fast boot and load times
  • Gelid GC Extreme thermal compound lowers CPU and GPU temperatures

Dual-screen OLED laptop for creative workflows

The ASUS Zenbook Duo UX8406CA-PS99T pairs two 14" 3K OLED touch panels running at 120 Hz with an Intel Core Ultra 9 285H processor, 32 GB LPDDR5X memory and a 2 TB PCIe 4.0 NVMe drive. Windows 11 Home drives the system out of the box.

Gelid GC Extreme thermal compound on CPU and GPU

The builder replaces the stock paste with Gelid GC Extreme on both the processor and the Arc graphics block, lowering operating temperatures during sustained loads. A full quality-control pass updates BIOS, runs burn-in stress tests and verifies every port, keyboard, touchpad and display before shipment.

Suits multitaskers who need two calibrated OLED

Content creators, developers and mobile professionals gain extra screen real estate without an external monitor. Buyers wanting discrete GPU power, upgradeable memory or a lighter single-screen chassis should consider other models.

Highlights

  • Dual 14" 3K OLED touch screens at 120 Hz for expansive multitasking
  • Intel Core Ultra 9 285H with 16 cores up to 5.4 GHz for heavy workloads
  • 32 GB LPDDR5X memory keeps demanding apps responsive
  • 2 TB PCIe 4.0 x4 NVMe SSD delivers fast boot and load times
  • Gelid GC Extreme thermal compound lowers CPU and GPU temperatures

Specifications

BrandASUS
SeriesZenBook Duo
ModelZenbook Duo UX8406CA-PS99T
Part NumberUX8406CA-PS99T-HID2
ColorGray
Operating SystemWindows 11 Home
CPUIntel® Core Ultra 9-285H
Screen14" 3K WQXGA+
Memory32GB
Storage2 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
SSD2TB
HDDNo
Storage Spec2 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

Will the 32 GB LPDDR5X memory handle heavy multitasking and large creative projects?

Yes, 32 GB of onboard LPDDR5X provides ample capacity for memory-hungry applications and smooth multitasking without the need for user upgrades.

Does the 2 TB PCIe 4.0 x4 NVMe SSD leave room for another storage drive?

The specifications list a single M.2 PCIe 4.0 x4 NVMe SSD; no additional M.2 slot or 2.5-inch bay is mentioned, so plan on the 2 TB as the total internal storage.

What screen resolution and refresh rate does the 14 inch OLED panel deliver?

The display is a 14.0 inch 3K WQXGA+ OLED at 2880 x 1800 resolution with a 120 Hz refresh rate and touch support.

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