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Dual-screen 14 inch OLED laptop in gray finish, slim clamshell design with touch display

ASUS

ASUS Zenbook Duo UX8406CA-PS99T-HID4 14" 3K OLED 120Hz Touch, Ultra 9-285H, Arc

SKU CH-WC64-NFKHX

Dual-screen 14-inch 3K OLED touch laptop with Core Ultra 9 285H, 32 GB LPDDR5X and 8 TB PCIe 4.0 NVMe storage

  • Screen size14.0 in (35.6 cm)
  • ProcessorIntel Core Ultra 9 (Series 2)
  • Graphics processorIntel Arc Graphics
  • Memory size32 GB
  • Storage drive8 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Display resolution2880 × 1800
  • Dual 14" 3K OLED touchscreens 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 many apps responsive simultaneously
  • 8 TB PCIe 4.0 NVMe SSD stores massive libraries and loads fast
  • Gelid GC Extreme thermal compound lowers CPU and GPU temperatures under load

Dual-screen ultraportable

The ASUS Zenbook Duo UX8406CA-PS99T-HID4 is a 14 inch 3K OLED touch laptop powered by an Intel Core Ultra 9-285H processor with 16 cores and Intel Arc graphics. It ships with Windows 11 Home and 32 GB of LPDDR5X memory. An 8 TB PCIe 4.0 x4 NVMe SSD provides the primary storage.

Creative multitaskers and mobile professionals

The dual-screen form factor suits users who need extra display real estate for timelines, code, or reference material while travelling. The 120 Hz OLED panel delivers 2880 by 1800 resolution for colour-critical work. Buyers who require discrete GPU compute or user-replaceable memory should evaluate alternative platforms.

Capacity and thermal headroom

The 8 TB NVMe drive holds large project libraries, raw footage, and virtual machines with room to spare. Gelid GC Extreme thermal compound on the CPU and GPU helps sustain the 5.4 GHz max turbo frequency under load. The 32 GB soldered memory ceiling limits extreme multitasking scenarios beyond the configured capacity.

How it compares

Measured against everything we stock in Gaming Laptop Computers, at today’s prices. Recalculated every night.

Price $3,371.99
Pricier than about 83% of the 5,382 comparable items (median $1,978.99).
Screen size 14.0 in (35.6 cm)
Lower than about 92% of the 5,361 comparable items (median 16 in).
Refresh frequency 120 Hz
Lower than about 90% of the 2,443 comparable items (median 165 Hz).

New to this? Buying a laptop with crypto, start to finish — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Product lineZenBook Duo
Model nameZenbook Duo UX8406CA-PS99T
Part numberUX8406CA-PS99T-HID4
Product colorGray
Design styleThin and Light
Product typeWork / Business
Recommended useConsumer
Processor
ProcessorIntel® Core Ultra 9-285H
Processor modelIntel Core Ultra 9 285H
CPU cores16
Turbo clock speed5.4 GHz
Processor codenameArrow Lake
L3 cache size24 MB
Memory
Memory size32 GB
Memory configuration32 GB On-Board
Maximum supported memory32 GB
Storage
Storage drive8 TB M.2 PCIe 4.0 x4 NVMe SSD
SSD storage8 TB
Hard driveNo
Storage configuration8 TB M.2 PCIe 4.0 x4 NVMe SSD
Display
Screen size14.0 in (35.6 cm)
Display resolution2880 × 1800
Refresh frequency120 Hz
Touch inputTouch Screen
Display14 in 3K WQXGA+
Display format3K WQXGA+ OLED
Color gamut coverageDCI-P3:100%
Screen featuresOLED
Graphics
Graphics processorIntel Arc Graphics
Video RAMShared system memory
GPU modelIntel® Arc™ Graphics
Graphics typeDedicated Card
Audio & video
SoundSmart Amp Technology, harman/kardon (Premium) with Cortana support
SpeakersBuilt-in speaker
Connectivity
Wi-Fi standard7
Wi-FiWi-Fi 7(802.11be) (Tri-band)2 × 2
Bluetooth supportBluetooth® 5.4
Ports & slots
USB ports1x USB 3.2 Gen 1 Type-A
Thunderbolt ports2x Thunderbolt™ 4 with support for display / power delivery (data speed up to 40 Gbit/s)
HDMI ports1x HDMI 2.1 TMDS
Audio jacks1 × 3.5 mm Combo Audio Jack, 1 x Built-in array microphone
Power
Power adapterTYPE-C, 65 W AC Adapter, Output: 20 V DC, 3.25A, 65 W, Input: 100-240 V AC 50/60 GHz universal
Battery pack75WHrs, 4S1P, 4-cell Li-ion
Size & build
Overall dimensions12.34 in × 8.58 in × 0.57 in ~ 0.78 in
Product weight3.64 lb (1.65 kg)
Software
Operating systemWindows 11 Home
More details
Pointing devicePrecision touchpad
KeyboardSoft Keyboard, 1.4 mm Key-travel
Keyboard backlightBacklit

Questions about this item

Will the 14 inch 3K OLED touch display and dual-screen layout fit in a standard 14 inch laptop sleeve?

The chassis measures 12.34 by 8.58 inches and ranges from 0.57 to 0.78 inches thick, so a sleeve sized for a typical 14 inch ultrabook should accommodate it.

Can the 32 GB LPDDR5X memory be upgraded later if my workloads grow?

The memory is soldered on board and cannot be expanded after purchase.

Does the 8 TB PCIe 4.0 x4 NVMe SSD leave a second M.2 slot free for adding another drive?

The specification lists a single 8 TB M.2 PCIe 4.0 x4 NVMe SSD with no mention of an additional slot.

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