ASUS Zenbook 14 UX3405CA-QD1756X Intel Core Ultra 7 255H Laptop 35.6 cm (14") WUXGA 16 GB LPDDR5x-SDRAM 1 TB SSD Wi-Fi 7 (802.11be) Windows 11 Pro Silver
ASUS Zenbook 14 UX3405CA-QD1756X, Intel Core Ultra 7, 35.6 cm (14"), 1920 x 1200 pixels, 16 GB, 1 TB, Windows 11 Pro
| Date | Price |
|---|---|
| 26 September 2026 | £1,610 |
| 26 September 2026 | £1,342 |
Compare ASUS Zenbook 14 UX3405CA-QD1756X Intel Core Ultra 7 255H Laptop 35.6 cm (14") WUXGA 16 GB LPDDR5x-SDRAM 1 TB SSD Wi-Fi 7 (802.11be) Windows 11 Pro Silver prices UK
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Product Information
New Zen with AI
Go the extra mile with the remarkably sleek Zenbook 14 — the ultimate ultraportable laptop that takes sophistication to a whole new level. Seize every moment using the enhanced extended-life battery, amplify your efficiency with the top-tier Intel® Core™ Ultra processor (Series 2) and Intel Arc™ graphics, and achieve seamless connectivity via all the essential ports. Immerse your senses in the vivid ASUS Lumina OLED1 touchscreen2 and powerful new Super-linear speakers, while embracing the eco-elegance of the environmentally conscious design.
Product
Display
- Display diagonal
- 35.6 cm (14")
- Display resolution
- 1920 x 1200 pixels
- Touchscreen
- No
- 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)
- 600 cd/m²
- RGB colour space
- DCI-P3
- Colour gamut
- 100%
- Low Blue Light technology
- Yes
- 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
- DisplayHDR True Black 600
Processor
- Processor family
- Intel Core Ultra 7
- Processor manufacturer
- Intel
- Processor model
- 255H
- Processor generation
- Intel Core Ultra (Series 2)
- 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
- Processor cache type
- Smart Cache
- Processor socket
- BGA 2049
- Processor base power
- 28 W
- Maximum turbo power
- 115 W
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
Memory
- Internal memory
- 16 GB
- Maximum internal memory
- 16 GB
- Internal memory type
- LPDDR5x-SDRAM
- Memory form factor
- On-board
- Memory channels
- Dual-channel
Weight & dimensions
- Weight
- 1.22 kg
- Width
- 312.4 mm
- Depth
- 220.1 mm
- Height
- 14.9 mm
Power
- USB Type-C charging port
- Yes
- USB Type-C required charging power (min)
- 45 W
- USB Type-C required charging power (max)
- 65 W
- AC adapter frequency
- 50 - 60 Hz
- AC adapter input voltage
- 100 - 240 V
- USB Power Delivery (USB PD)
- Yes
Audio
- Audio system
- Smart Amp
- Built-in microphone
- Yes
Keyboard
- Numeric keypad
- No
- Pointing device
- Touchpad
- Keyboard backlit
- 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
Security
- Face recognition
- Yes
- Windows Hello
- Yes
- Trusted Platform Module (TPM)
- Yes
Certificates
- Compliance certificates
- REACH
Software
- Operating system installed
- Windows 11 Pro
- Operating system architecture
- 64-bit
- Trial software
- 1-month trial for new Microsoft 365 customers; McAfee 30 days free trial
- Bundled software
- 3-Month GoPro Premium+ Subscription 1-Month Membership of Adobe Creative Cloud All Apps, Individual. The redemption duration from September 15, 2021 to August 31, 2026. N/A 6-Month Dropbox 500GB Subscription 1-Year ASUS Secure Auto-Backup 200GB Subscription *Available in eligible markets only. Eligibility varies by region, device, and time. Terms and conditions apply. See promotion pages for details.
Camera
- Front camera
- Yes
- Front camera resolution
- 1920 x 1080 pixels
- Front camera HD type
- Full HD
- Infrared (IR) camera
- Yes
- Privacy camera
- Yes
- Privacy type
- Privacy shutter
Storage
- Total storage capacity
- 1 TB
- Storage media
- SSD
- Optical drive type
- No
- Total SSDs capacity
- 1 TB
- Number of SSDs installed
- 1
- SSD capacity
- 1 TB
- SSD interface
- PCI Express 4.0
- NVMe
- Yes
- SSD form factor
- M.2
Battery
- Battery capacity
- 75 Wh
- Battery technology
- Lithium-Ion (Li-Ion)
- Number of battery cells
- 4
Graphics
- On-board graphics card
- Yes
- Discrete graphics card
- No
- Discrete graphics card model
- Not available
- On-board graphics card model
- Intel Arc 140T
- On-board GPU manufacturer
- Intel
- On-board graphics card family
- Intel Arc Graphics
Design
- Product type
- Laptop
- Product colour
- Silver
- Form factor
- Clamshell
- Colour name
- Foggy Silver
- Housing material
- Aluminium
- Display back cover material
- Aluminium
- Market positioning
- Home
- Introduction year
- 2025
Packaging content
- AC adapter included
- No
Sustainability
- Sustainability certificates
- ENERGY STAR, EPEAT Gold
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
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