ASUS · Laptop

ASUS Zenbook Duo UX8406CA-QL135W Intel Core Ultra 7 255H Hybrid (2-in-1) price in United Kingdom

Model UX8406CA-QL135WMPN 90NB14X1-M005X0EAN 197105820999EAN 4711387820995

Display35.6 cm (14")
Resolution1920 x 1200 pixels
ProcessorIntel Core Ultra 7
Memory16 GB

Lowest price incl. delivery

£1,830.99

at Back to the OfficeFree deliveryIn stock

1 store
1 in stock
1 with free delivery
Checked 6 Oct 2026, 05:40 UTC

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Full specifications and side-by-side comparison

Prices in United Kingdom

1 store · prices in GBP · updated 6 Oct 2026, 05:40 UTC

Lowest price£1,830.99at Back to the Office · free shippingGo to Back to the Office

Price range across 1 offer

Every store asks the same price.

1 of 1 stores in stock
1 with free shipping
Checked 6 Oct 2026, 05:40 UTC

Back to the OfficeLowest priceASUS Zenbook Duo 14" 2-in-1 Laptop (90NB14X1-M005X0) - Intel Core Ultra 7 255H, 16GB RAM, 1TB SSD, Windows 11 Home In stockFree shipping
£1,830.99incl. free shipping
Go to store : Back to the Office (opens in a new tab)

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Best price · Back to the Office£1,830.99

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Product details

Identification

Brand: ASUS
Product: Zenbook Duo UX8406CA-QL135W Intel Core Ultra 7 255H Hybrid (2-in-1)
Full name: ASUS Zenbook Duo UX8406CA-QL135W Intel Core Ultra 7 255H Hybrid (2-in-1) 35.6 cm (14") Touchscreen WUXGA 16 GB LPDDR5x-SDRAM 1 TB SSD Wi-Fi 7 (802.11be) Windows
Manufacturer part number: 90NB14X1-M005X0
EAN / UPC: 197105820999, 4711387820995
Category: Laptop

121 specifications from the manufacturer's data sheet

Design

Product type	Hybrid (2-in-1)
Product colour	Grey
Colour name	Inkwell Gray
Form factor	Convertible (Detachable)
Housing material	Aluminium, Magnesium
Market positioning	Home
Introduction year	2024

Display

Display diagonal	35.6 cm (14")
Display resolution	1920 x 1200 pixels
Touchscreen	Yes
HD type	WUXGA
Panel type	OLED
Display number of colours	1.07 billion colours
Native aspect ratio	16:10
Display surface	Gloss
Display brightness	400 cd/m²
Maximum display brightness (HDR)	500 cd/m²
Colour gamut	100%
Low Blue Light technology	Yes
RGB colour space	DCI-P3
Display response rise/fall	0.2 ms
Maximum refresh rate	60 Hz
Contrast ratio (typical)	1000000:1
High Dynamic Range (HDR) supported	Yes
High Dynamic Range (HDR) technology	HDR True Black 500

Processor

Processor manufacturer	Intel
Processor family	Intel Core Ultra 7
Processor generation	Intel Core Ultra (Series 2)
Processor model	255H
Processor cores	16
Processor threads	16
Processor boost frequency	5.1 GHz
Performance cores	6
Efficient cores	8
Low Power Efficient-cores	2
Performance-core Max Turbo Frequency	5.1 GHz
Efficient-core Max Turbo Frequency	4.4 GHz
Low Power Efficient-core Max Turbo Frequency	2.5 GHz
Performance-core base frequency	2 GHz
Efficient-core base frequency	1.5 GHz
Low Power Efficient-core Base Frequency	700 MHz
Processor cache	24 MB
Maximum turbo power	115 W
Processor base power	28 W

Neural processor unit (NPU)

Neural processor unit (NPU)	Intel AI Boost
Sparsity support	Yes
Windows Studio effects support	Yes
AI software frameworks supported by NPU	DirectML, OpenVINO, Windows ML, ONNX RT, WebNN
Total processor performance up to	96 TOPs
NPU performance up to	13 TOPs
GPU performance up to	74 TOPs

Memory

Internal memory	16 GB
Internal memory type	LPDDR5x-SDRAM
Memory form factor	On-board
Maximum internal memory	16 GB

Storage

Total storage capacity	1 TB
Storage media	SSD
Total SSDs capacity	1 TB
Number of SSDs installed	1
SSD capacity	1 TB
NVMe	Yes
SSD interface	PCI Express 4.0
SSD form factor	M.2
Optical drive type	No

Graphics

On-board graphics card	Yes
Discrete graphics card	No
Discrete graphics card model	Not available
On-board GPU manufacturer	Intel
On-board graphics card family	Intel Arc Graphics
On-board graphics card model	Intel Arc 140T

Audio

Audio system	Smart Amp
Speakers manufacturer	Harman Kardon
Built-in microphone	Yes

Camera

Front camera	Yes
Front camera HD type	Full HD
Front camera resolution	1920 x 1080 pixels
Infrared (IR) camera	Yes

Network

Mobile network connection	No
Top Wi-Fi standard	Wi-Fi 7 (802.11be)
Wi-Fi standards	Wi-Fi 7 (802.11be)
Antenna type	2x2
Ethernet LAN	No
Bluetooth	Yes
Bluetooth version	5.4

Ports & interfaces

USB 2.0 ports quantity	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0
HDMI ports quantity	1
HDMI version	2.1
Thunderbolt 4 ports quantity	2
Intel® Thunderbolt 4	Yes
Combo headphone/mic port	Yes
USB Type-C DisplayPort Alternate Mode	Yes

Performance

Repairability index	9.4

Keyboard

Pointing device	Touchpad
Numeric keypad	No

Software

Operating system installed	Windows 11 Home
Operating system architecture	64-bit

Battery

Battery technology	Lithium-Ion (Li-Ion)
Number of battery cells	4
Battery capacity	75 Wh
Battery life (max)	8 h

Power

AC adapter power	65 W
AC adapter frequency	50 - 60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	3.25 A
AC adapter output voltage	20 V
USB Type-C charging port	Yes
USB Type-C required charging power (max)	65 W
USB Type-C required charging power (min)	45 W
USB Power Delivery (USB PD)	Yes