Image: ASUSTeK Computer Inc.
Zenbook S 14 (UX5406)
Specs verified 2026-10-02 · source
Zenbook S 14 (UX5406) is ASUS's 2025 AI PC, featuring a Ceraluminum chassis, a 3K OLED display, and the Intel Core Ultra 9 Processor 288V.
Official product pageAt a glance
Device overview
Display
14.0-inch, 3K (2880×1800) OLED, 16:10 aspect ratio, 120Hz refresh rate, 400 nits (500 nits HDR peak), 100% DCI-P3, PANTONE Validated, anti-glare and low-reflection, with 2880 x 1800 pixels (3K OLED) resolution and up to 1100 nits peak brightness.
Processor & graphics
Powered by Intel Core Ultra 9 Processor 288V, 3.3GHz (up to 5.1GHz, 12MB Cache, 8 cores, 8 threads); Intel AI Boost NPU up to 48 TOPS; Intel Arc Graphics, with Intel Arc Graphics graphics.
Memory & storage
Configured with 32GB of RAM and 1024GB of storage.
Battery
Equipped with a 72 Wh battery rated for Up to 27 hours, supporting Fast charging: 60% in 49 minutes wired charging.
Ports & connectivity
Includes 2x Thunderbolt 4 (up to 40Gbps), 1x USB 3.2 Gen 2 Type-A (up to 10Gbps), 1x 3.5mm combo audio jack, 1x HDMI 2.1, Wi-Fi 7 (802.11be), triple band, 2x2, and Bluetooth 6.0.
Design & build
Measures 310.3 × 214.7 × 11.9-12.9 mm and weighs 1.20 kg (2.65 lbs), with Ceraluminum (aluminum alloy) chassis.
Specifications
| Design & Build | |
| Weight | 1.20 kg (2.65 lbs) |
|---|---|
| Dimensions | 310.3 × 214.7 × 11.9-12.9 mm |
| Colors | Zumaia Gray, Scandinavian White |
| Build materials | Ceraluminum (aluminum alloy) chassis |
| Keyboard | ErgoSense keyboard, full-size layout, 19.05mm key pitch, 1.1mm key travel |
| Display | |
| Display | 14.0-inch, 3K (2880×1800) OLED, 16:10 aspect ratio, 120Hz refresh rate, 400 nits (500 nits HDR peak), 100% DCI-P3, PANTONE Validated, anti-glare and low-reflection |
| Resolution | 2880 x 1800 pixels (3K OLED) |
| Refresh rate | 120 Hz |
| Peak brightness | 1100 nits |
| Performance | |
| Chipset | Intel Core Ultra 9 Processor 288V, 3.3GHz (up to 5.1GHz, 12MB Cache, 8 cores, 8 threads); Intel AI Boost NPU up to 48 TOPS; Intel Arc Graphics |
| Graphics | Intel Arc Graphics |
| Memory & Storage | |
| Storage type | 1TB M.2 NVMe PCIe 4.0 SSD |
| Memory type | 32GB LPDDR5X memory on package |
| Battery & Charging | |
| Battery life | Up to 27 hours |
| Charging | Fast charging: 60% in 49 minutes |
| Battery capacity | 72 Wh |
| Camera | |
| Webcam | FHD camera with IR function to support Windows Hello |
| Connectivity | |
| Wi-Fi | Wi-Fi 7 (802.11be), triple band, 2x2 |
| Bluetooth | Bluetooth 6.0 |
| Ports & Expansion | |
| Ports | 2x Thunderbolt 4 (up to 40Gbps), 1x USB 3.2 Gen 2 Type-A (up to 10Gbps), 1x 3.5mm combo audio jack, 1x HDMI 2.1 |
| Audio | |
| Speakers | Four speakers, Front-firing tweeters |
| Software | |
| Operating system at launch | Windows 11 Home / Windows 11 Pro |
| Security & Sensors | |
| Biometric authentication | IR webcam with Windows Hello support |
| Security features | Windows Hello facial recognition (IR camera); Microsoft Pluton security processor |
Configurations & variants
Sources & verification
This device is fully verified: every required fact is confirmed from a Tier 1 (manufacturer/official) source.
- ASUSTeK Computer Inc.Manufacturer specificationsTier 1
- ASUSTeK Computer Inc.Manufacturer specificationsTier 1
- ASUSTeK Computer Inc.ManufacturerTier 1
Tier 1 sources are the manufacturer's own product pages, technical specification sheets, or support documentation. Tier 2 sources are reputable independent technical references, used only for facts that couldn't be confirmed from official documentation. Last verified 2026-10-02.