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Gray dual-screen laptop with thin bezels and slim profile

ASUS

ASUS Zenbook Duo UX8406CA 14" 3K OLED 120Hz Touch Ultra 9-285H 32GB 1TB gaming laptop

SKU CH-SSQC-K5CZV

Dual-screen 14" 3K OLED 120Hz touch laptop with 16-core Ultra 9-285H, 32GB LPDDR5X and 1TB PCIe 4.0 NVMe SSD

  • Screen size14.0 in (35.6 cm)
  • ProcessorIntel Core Ultra 9 (Series 2)
  • Graphics processorIntel Arc Graphics
  • Memory size32 GB
  • Storage drive1 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Display resolution2880 × 1800
  • Dual 14" 3K OLED touchscreens at 120 Hz for expansive multitasking
  • 16-core Ultra 9-285H up to 5.4 GHz turbo for heavy workloads
  • 32 GB LPDDR5X memory keeps many apps responsive
  • 1 TB PCIe 4.0 NVMe SSD loads games and files fast
  • Gelid GC Extreme paste lowers CPU and GPU temperatures under load

Dual-Screen 14" 3K OLED 120Hz Touch Ultra 9 Laptop

This ASUS Zenbook Duo UX8406CA combines two 14-inch 3K OLED touch displays with a 120Hz refresh rate. It runs on an Intel Core Ultra 9 285H processor with 16 cores and a 5.4 GHz maximum turbo frequency. The system includes 32 GB of LPDDR5X memory and a 1 TB PCIe 4.0 x4 NVMe SSD. Windows 11 Pro comes pre-installed for immediate productivity or gaming use.

Gelid GC Extreme Thermal Upgrade on Dual-Display

HIDevolution applies Gelid GC Extreme thermal interface material to the CPU and GPU to lower operating temperatures under load. The gray chassis measures 12.34 inches wide by 8.58 inches deep with a height ranging from 0.57 to 0.78 inches and weighs 3.64 pounds. Each 14.0-inch panel delivers a 2880 x 1800 resolution for sharp visuals across both screens. The slim profile and dual-display hinge design support flexible workflows in tight spaces.

Arrow Lake 16-Core Upgrade for Multi-Tasking

The Intel Core Ultra 9 285H Arrow Lake processor with 16 threads and 24 MB Smart Cache replaces earlier lower-core mobile CPUs for heavy multitasking. Integrated Intel Arc graphics handle creative workloads and light gaming without a discrete GPU. The 1 TB NVMe SSD and 32 GB LPDDR5X memory upgrade slower storage and limited RAM configurations. This jump is worth it when dual-screen workflows demand sustained performance and fast asset loading.

How it compares

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

Price $1,589.99
Cheaper than about 69% 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-HID1P
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 drive1 TB M.2 PCIe 4.0 x4 NVMe SSD
SSD storage1 TB
Hard driveNo
Storage configuration1 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 Pro
More details
Pointing devicePrecision touchpad
KeyboardSoft Keyboard, 1.4 mm Key-travel
Keyboard backlightBacklit

Questions about this item

What does the PCIe 4.0 x4 NVMe interface cap at in real-world transfer speeds?

The 1 TB M.2 PCIe 4.0 x4 NVMe SSD delivers sequential reads up to about 7 GB/s and writes near 5 GB/s, so large game installs and project files load in seconds rather than minutes.

What are the exact chassis dimensions and weight so I can check if it fits my sleeve or bag?

The laptop measures 12.34" wide, 8.58" deep and between 0.57" and 0.78" thick, weighing 3.64 lbs — a compact footprint for a dual-screen 14" device.

How is the Gelid GC Extreme thermal paste applied during the HIDevolution build, and what step do first-time owners often miss?

Technicians disassemble the cooling assembly, clean both dies, apply a thin even layer of Gelid GC Extreme on the CPU and GPU, then reassemble; owners sometimes skip the BIOS update that enables the new fan curves, so run the ASUS MyASUS live update before heavy workloads.

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