Zenbook S 14 (2026) UX5406AA

Released March 2026.4 Last checked 23 October 2026.

Screen size: 14in
Processor: Intel Core Ultra 9 386H
GPU: Intel Graphics
Weight (published): 1.2kg

95 of 179 fields known.

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At a glance

Ports

2 USB-C Thunderbolt 4
HDMI 2.1 TMDS
3.5 mm audio
USB-A USB 3.2 Gen 2

All specs

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General

Series: Zenbook S2
Model numbers: UX5406AA1
GTIN / EAN: Not available
Announced: Not available
Status: Available1
Predecessor: ASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB 4 6
Successor: Not available
Launch price (US): Not available
Launch price (EU): Not available
Markets: Not available
Colours: Antrim Gray1
Segment: Ultrabook1
Form factor: Clamshell4

Chassis

Front and side, drawn to scale.

Dimensions: Width310.3Depth214.7Thickness (min)11.9Thickness (max)12.9mm(12.2 × 8.5 × 0.5 in)1
Weight (published): 1.2kg(2.6 lb)1
Lid material: Aluminium4
Bottom material: Not available
Max hinge angle: 145°4
MIL-STD-810 testing (claimed): Yes1

Display

Screen size: 14in(35.6 cm)1
Native resolution: 2880 × 1800px1
Pixel density: 242.6ppi
Panel type: OLED1
Backlight: None (self-emissive)1
Dimming zones: Not available
Panel part number: Samsung SDC422A (ATNA40HQ05-0)4
Screen surface: Glossy4
Touchscreen: Yes1
Stylus: Supported1
Refresh rate modes: Width (px) Height (px) Maximum operating refresh (Hz)
2880 1800 120
Source1
Max refresh rate: 120Hz
Adaptive sync: Not available
Gray-to-gray response time (claimed): Not available
Native panel colour depth: Not available
Brightness (SDR, claimed): Not available
Peak brightness (SDR outdoors, claimed): Not available
Sustained brightness (HDR, claimed): Not available
Peak brightness (HDR, claimed): 1,100nits1
sRGB coverage (claimed): Not available
DCI-P3 coverage (claimed): 100%1
Adobe RGB coverage (claimed): Not available
HDR certification: DisplayHDR True Black 10001
Factory calibrated: Not available
Second display: Not available

Width (px)	Height (px)	Maximum operating refresh (Hz)
2880	1800	120

Processor

Processor: Intel Core Ultra 9 386H1
Processor brand: Intel1
Core configuration: Core type Count Base clock (GHz) Max clock (GHz)
Performance 4 2.1 4.9
Efficiency 8 1.6 3.7
Low-power efficiency 4 1.6 3.5
Source3
CPU cores: 16
Cores labelled performance: 4
Cores labelled efficiency: 12
Threads: 163
Max boost clock: 4.9GHz
L3 cache: 18MB3
Process: Not available
Sustained CPU power (configured): Not available
Peak CPU power (configured): Not available
Combined CPU and GPU power: Not available
NPU performance: 50TOPS1

Core type	Count	Base clock (GHz)	Max clock (GHz)
Performance	4	2.1	4.9
Efficiency	8	1.6	3.7
Low-power efficiency	4	1.6	3.5

Graphics

Discrete GPU: No1
GPU: Not available
GPU brand: Not available
VRAM: Not available
Max GPU power (TGP): Not available
Dynamic Boost: Not available
GPU boost clock: Not available
GPU switching: Not available
Integrated GPU: Intel Graphics1

Memory

Installed RAM: 32GB1
RAM type: LPDDR5X1
RAM speed: 8,533MT/s4
Memory channels: Not available
RAM upgrade: Soldered1
Memory slots: Not available
RAM slots: Not available
Free RAM slots: Not available
Maximum supported RAM: 32GB1

Storage

Installed storage: 1TB1
Storage type: NVMe SSD1
Installed drive PCIe generation: 41
Storage slots: Form factor Interface PCIe generation PCIe lanes Count Occupied
M.2 2280 PCIe NVMe 4 4 1 Yes
Source1 4
M.2 slots: 1
Free storage slots: 0
Maximum slot PCIe generation: 4

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	4	4	1	Yes

Ports

Ports: Type Version Count Side Maximum data rate (Gbps) Thunderbolt or USB4 DP Alt Mode Maximum charging input (W)
USB-C Thunderbolt 4 2 Left 40 Thunderbolt 4 Yes 100
HDMI HDMI 2.1 TMDS 1 Left Not available Not available Not available Not available
3.5 mm audio Not available 1 Left Not available Not available Not available Not available
USB-A USB 3.2 Gen 2 1 Right 10 Not available Not available Not available
Source1 4
USB-C ports: 2
Thunderbolt: Yes
Highest HDMI version: HDMI 2.1 TMDS
Card reader: No
Ethernet speed: Not available
Maximum USB-C charging input: 100W

Type	Version	Count	Side	Maximum data rate (Gbps)	Thunderbolt or USB4	DP Alt Mode	Maximum charging input (W)
USB-C	Thunderbolt 4	2	Left	40	Thunderbolt 4	Yes	100
HDMI	HDMI 2.1 TMDS	1	Left	Not available	Not available	Not available	Not available
3.5 mm audio	Not available	1	Left	Not available	Not available	Not available	Not available
USB-A	USB 3.2 Gen 2	1	Right	10	Not available	Not available	Not available

Wireless

Wi-Fi: Wi-Fi 71
Wi-Fi bands: 2.4 GHz, 5 GHz, 6 GHz1
Wi-Fi module: Intel BE2014
Bluetooth: 6.01
Cellular: Not available

Keyboard and touchpad

Keyboard layouts: Not available
Key switches: Not available
Keyboard backlight: Single colour4
Numpad: Not available
Key travel: 1.1mm1
Pointing stick: Not available
Touchpad size: Not available
Touchpad mechanism: Not available

Camera and audio

Webcam: 1080p FHD1
IR face login: Yes1 4
Webcam privacy: None4
Built-in speaker drivers: 44
Total speaker power: Not available
Audio features: Smart Amp Technology, AI Noise Canceling1
Microphones: Not available

Battery and power

Battery energy: 77Wh1
Claimed battery life: Not available
Adapter rated output: 68W1
Laptop charging connector: USB-C1
Charge 0 to 50 % (claimed): Not available

Cooling

We could not find any of these 4 fields. Show them

Fans: Not available
Vapor chamber: Not available
Liquid metal: Not available
Power modes: Not available

Security

Fingerprint: None4
TPM: Not available
Remote management: Not available
Security lock slot: Not available

Software

Operating system: Windows 11 Home1
OS family: Windows1
Security updates until: Not available

Measured display

Brightness (measured, centre): 500.67nits5
Brightness (measured, average): Not available
Contrast ratio (measured): Not available
HDR peak brightness (measured): Not available
sRGB coverage (measured): 100%5
DCI-P3 coverage (measured): 100%5
Colour accuracy (measured Delta E): Not available
PWM flicker found: Yes5
PWM frequency (measured): Not available
PWM at or below brightness: Not available
Response black to white (measured): Not available
Response grey to grey (measured): Not available

Measured performance

Cinebench 2024 single-core: 123points5
Cinebench 2024 multi-core: 922points5
Geekbench 6 single-core: 2,825points5
Geekbench 6 multi-core: 16,506points5
3DMark Time Spy graphics: 3,095points5
3DMark Steel Nomad: Not available
SSD sequential read (measured): Not available
Game frame rates: Game Width (px) Height (px) Preset Average FPS 1 % low FPS
Cyberpunk 2077 1920 1200 Low 24 12
Far Cry 6 1920 1200 Low, TAA 46 Not available
Horizon Forbidden West 1920 1200 Very Low 48 Not available
Shadow of the Tomb Raider 1920 1200 Lowest 62 Not available
The Witcher 3 1920 1200 Low 77 Not available
Source5

Game	Width (px)	Height (px)	Preset	Average FPS	1 % low FPS
Cyberpunk 2077	1920	1200	Low	24	12
Far Cry 6	1920	1200	Low, TAA	46	Not available
Horizon Forbidden West	1920	1200	Very Low	48	Not available
Shadow of the Tomb Raider	1920	1200	Lowest	62	Not available
The Witcher 3	1920	1200	Low	77	Not available

Measured noise and temperature

Fan noise per mode: Power mode Load Noise (dB(A))
Performance Max load 45
Standard Max load 35
Source5
Max fan noise: 45dB(A)
Fan noise while gaming: Not available
Top surface under load: Not available
Bottom surface under load: Not available
Palm rest under load: Not available
CPU temperature in stress test: Not available
CPU clock in stress test: Not available
GPU temperature while gaming: Not available

Power mode	Load	Noise (dB(A))
Performance	Max load	45
Standard	Max load	35

Measured battery and power

Battery runtime per test: Test Brightness (nits) Power mode Hours (h)
Video streaming 120 Whisper 15
Source5
Wi-Fi browsing runtime: Not available
Video runtime: 15h
Full charge time (measured): Not available
Power draw idle: Not available
Power draw gaming: Not available
Power draw max: Not available
Sustained CPU power (measured): 28W5
GPU power while gaming (measured): Not available
Weight (measured): Not available