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 11 Home Grey
Product Technical Specification
| Design | |
| Colour name | Inkwell Gray |
| Product type | Hybrid (2-in-1) |
| Product colour | Grey |
| Form factor | Convertible (Detachable) |
| Housing material | Aluminium,Magnesium |
| Market positioning | Home |
| Introduction year | 2024 |
| Display | |
| Display diagonal | 14 |
| Display resolution | 1920 x 1200 |
| 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 |
| Maximum display brightness (HDR) | 500 |
| RGB colour space | DCI-P3 |
| Colour gamut | 100 |
| Low Blue Light technology | Yes |
| Display response rise/fall | 0.2 |
| Maximum refresh rate | 60 |
| 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 |
| Performance cores | 6 |
| Efficient cores | 8 |
| Low Power Efficient-cores | 2 |
| Performance-core Max Turbo Frequency | 5.1 |
| Efficient-core Max Turbo Frequency | 4.4 |
| Low Power Efficient-core Max Turbo Frequency | 2.5 |
| Performance-core base frequency | 2 |
| Efficient-core base frequency | 1.5 |
| Low Power Efficient-core Base Frequency | 700 |
| Processor cache | 24 |
| Processor base power | 28 |
| Maximum turbo power | 115 |
| 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 |
| NPU performance up to | 13 |
| GPU performance up to | 74 |
| Memory | |
| Internal memory | 16 |
| Internal memory type | LPDDR5x-SDRAM |
| Memory form factor | On-board |
| Maximum internal memory | 16 |
| Storage | |
| Total storage capacity | 1000 |
| Storage media | SSD |
| Total SSDs capacity | 1000 |
| Number of SSDs installed | 1 |
| SSD capacity | 1000 |
| SSD interface | PCI Express 4.0 |
| NVMe | Yes |
| SSD form factor | M.2 |
| Optical drive type | No |
| Graphics | |
| Discrete graphics card model | Not available |
| On-board graphics card | Yes |
| On-board GPU manufacturer | Intel |
| Discrete graphics card | No |
| 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 resolution | 1920 x 1080 |
| Front camera HD type | Full HD |
| Infrared (IR) camera | Yes |
| Network | |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Wi-Fi standards | Wi-Fi 7 (802.11be) |
| Mobile network connection | No |
| Antenna type | 2x2 |
| Ethernet LAN | No |
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Ports & interfaces | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| 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 |
| Keyboard | |
| Pointing device | Touchpad |
| Numeric keypad | No |
| Software | |
| Operating system architecture | 64-bit |
| Operating system installed | Windows 11 Home |
| Battery | |
| Battery technology | Lithium-Ion (Li-Ion) |
| Number of battery cells | 4 |
| Battery capacity | 75 |
| Battery life (max) | 8 |
| Power | |
| AC adapter power | 65 |
| AC adapter frequency | 50 - 60 |
| AC adapter input voltage | 100 - 240 |
| AC adapter output current | 3.25 |
| AC adapter output voltage | 20 |
| USB Type-C charging port | Yes |
| USB Type-C required charging power (min) | 45 |
| USB Type-C required charging power (max) | 65 |
| USB Power Delivery (USB PD) | Yes |
| Security | |
| Face recognition | Yes |
| Windows Hello | Yes |
| Trusted Platform Module (TPM) | Yes |
| Sustainability | |
| Sustainability certificates | ENERGY STAR,EPEAT Gold |
| Weight & dimensions | |
| Width | 313.5 |
| Depth | 217.9 |
| Height (front) | 14.6 |
| Height (rear) | 19.9 |
| Weight | 1650 |
| Packaging content | |
| AC adapter included | Yes |
Delivery Options
Economy Delivery (UK)
Fast & Tracked by Courier (UK)
ASUS Zenbook DUO is a revolutionary dual-screen laptop, with two full-size OLED touchscreens, detachable full-size keyboard and built-in kickstand, — expertly combining multitasking versatility with superb mobility. With dual 14-inch 3K OLED 120 Hz displays, you can instantly expand your workspace to up to 19.8 inches. Outstanding performance is assured with up to an AI-powered Intel® Core™ Ultra 9 processor and 32 GB LPDDR5x memory, plus up to a 2 TB PCIe® 4.0 SSD. Paired with dedicated smart software, intuitive gesture control and an enhanced-lifespan 75 Wh battery, the easy-to-use Zenbook DUO maximizes productivity, with zero fuss. Come on — Let’s DUO it.
| Design | |
| Colour name | Inkwell Gray |
| Product type | Hybrid (2-in-1) |
| Product colour | Grey |
| Form factor | Convertible (Detachable) |
| Housing material | Aluminium,Magnesium |
| Market positioning | Home |
| Introduction year | 2024 |
| Display | |
| Display diagonal | 14 |
| Display resolution | 1920 x 1200 |
| 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 |
| Maximum display brightness (HDR) | 500 |
| RGB colour space | DCI-P3 |
| Colour gamut | 100 |
| Low Blue Light technology | Yes |
| Display response rise/fall | 0.2 |
| Maximum refresh rate | 60 |
| 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 |
| Performance cores | 6 |
| Efficient cores | 8 |
| Low Power Efficient-cores | 2 |
| Performance-core Max Turbo Frequency | 5.1 |
| Efficient-core Max Turbo Frequency | 4.4 |
| Low Power Efficient-core Max Turbo Frequency | 2.5 |
| Performance-core base frequency | 2 |
| Efficient-core base frequency | 1.5 |
| Low Power Efficient-core Base Frequency | 700 |
| Processor cache | 24 |
| Processor base power | 28 |
| Maximum turbo power | 115 |
| 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 |
| NPU performance up to | 13 |
| GPU performance up to | 74 |
| Memory | |
| Internal memory | 16 |
| Internal memory type | LPDDR5x-SDRAM |
| Memory form factor | On-board |
| Maximum internal memory | 16 |
| Storage | |
| Total storage capacity | 1000 |
| Storage media | SSD |
| Total SSDs capacity | 1000 |
| Number of SSDs installed | 1 |
| SSD capacity | 1000 |
| SSD interface | PCI Express 4.0 |
| NVMe | Yes |
| SSD form factor | M.2 |
| Optical drive type | No |
| Graphics | |
| Discrete graphics card model | Not available |
| On-board graphics card | Yes |
| On-board GPU manufacturer | Intel |
| Discrete graphics card | No |
| 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 resolution | 1920 x 1080 |
| Front camera HD type | Full HD |
| Infrared (IR) camera | Yes |
| Network | |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Wi-Fi standards | Wi-Fi 7 (802.11be) |
| Mobile network connection | No |
| Antenna type | 2x2 |
| Ethernet LAN | No |
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Ports & interfaces | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| 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 |
| Keyboard | |
| Pointing device | Touchpad |
| Numeric keypad | No |
| Software | |
| Operating system architecture | 64-bit |
| Operating system installed | Windows 11 Home |
| Battery | |
| Battery technology | Lithium-Ion (Li-Ion) |
| Number of battery cells | 4 |
| Battery capacity | 75 |
| Battery life (max) | 8 |
| Power | |
| AC adapter power | 65 |
| AC adapter frequency | 50 - 60 |
| AC adapter input voltage | 100 - 240 |
| AC adapter output current | 3.25 |
| AC adapter output voltage | 20 |
| USB Type-C charging port | Yes |
| USB Type-C required charging power (min) | 45 |
| USB Type-C required charging power (max) | 65 |
| USB Power Delivery (USB PD) | Yes |
| Security | |
| Face recognition | Yes |
| Windows Hello | Yes |
| Trusted Platform Module (TPM) | Yes |
| Sustainability | |
| Sustainability certificates | ENERGY STAR,EPEAT Gold |
| Weight & dimensions | |
| Width | 313.5 |
| Depth | 217.9 |
| Height (front) | 14.6 |
| Height (rear) | 19.9 |
| Weight | 1650 |
| Packaging content | |
| AC adapter included | Yes |
Buykingston order despatch times:
We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.
These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).
We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.
Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.
Despatch times do not apply to UK public holidays.
Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.
Our warehouse reserves the right to upgrade the delivery method you select on your order.
Our available delivery options*
Contact us for a shipping quote.
*All delivery times are estimated unless stated.
Product Returns Note
Buykingston offers a very flexible and hassle free returns policy. If
for whatever reason you are not happy with the item purchased you can return
it to us within 12months for a refund (for unused and unopened
items) or within 30 days on opened and used items for a refund. This
applies to items purchased direct through Buykingston only.
Our 30 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items opened and used and that are returned in a resellable
condition.
Our 365 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items that remain sealed and unused.
Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;
- Headphones
- Earphones
- Custom made and designed products such as flash memory products with
custom logo’s on them. E,g USB flash drives and memory cards with your own
logo
Returns FAQs
What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on
non tracked items.
On unopened items 365 days.
How do i go about returning my order?
Please contact us via our contact page with
your order number where we will present you with an RMA number and returns
label.
Do i need to contact you before returning my order?
Yes, to obtain an RMA number.
Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365
day returns. Of course for faulty items we realise you may no longer have
the packaging.
Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer
direct for assistance.
Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.