Next Working Day
On qualifying orders
UK Dispatched
Fast & reliable nationwide
Expert Support
Mon–Fri, 8 am – 6 pm
Genuine Brands
Authorised reseller
Next-working-day delivery. Order before 17:30 (England & Wales) or 16:00 (Northern Ireland, Republic of Ireland, Scotland) to receive next-working-day delivery. Orders placed before 17:30 Friday are delivered Monday; after 17:30 Friday arrive Tuesday. Upgrades — pre-9, pre-10:30, pre-noon, special and secure bulk — available at extra cost.
Orders over £100 (ex VAT) receive FREE next-working-day delivery across the UK.
Instant digital delivery. Software licences, subscriptions, warranties & insurance, and electronic copies are delivered the same day via email — provided a valid email address is entered at checkout.
This product is out of stock
We can email you when it's back in stock, confirm expected lead times, or recommend in-stock alternatives that meet the same requirements.

Asus Chromebook CB5
Intel Core Ultra 5
115U / up to 4.2 GHz
Chrome OS
Intel Graphics
8 GB RAM
256 GB SSD NVMe
14" touchscreen 2560 x 1600 (WQXGA) @ 120 Hz
Wi-Fi 6E
fog silver
Weight: 2.62 KG
- Chromebook Plus
- Intel Core Ultra 5 processor
- 16:10 WQXGA display
- 8 GB memory
- 1.4 kg all-metal chassis
- Anti-glare and anti-fingerprint screen
Similar Products
Overview
The ASUS CB5403CMA combines performance with style in a sleek design tailored for modern users. Featuring a 14-inch LED touchscreen display with a native resolution of 2560 x 1600 and a brightness of 500 cd/m2, this Chromebook delivers stunning visuals. With an 89% screen-to-body ratio and anti-glare IPS-level technology, users can enjoy vivid colors and sharp details, whether browsing the web or streaming videos. Equipped with powerful Core Ultra 5 processing, 8 GB of LPDDR5X RAM, and a speedy 256 GB PCIe 4.0 NVMe SSD, the ASUS CB5403CMA ensures smooth multitasking and quick load times. Connectivity options are plentiful, including Thunderbolt 4 and USB 3.2 ports, offering versatility for various devices. Additionally, the built-in Harman Kardon stereo speakers and 8 MP webcam with a privacy shutter allow for seamless communication and entertainment.
Specifications
Design
- Product type
- Chromebook
- Product colour
- Silver
- Form factor
- Clamshell
- Colour name
- Fog Silver
- Housing material
- Aluminium
- Market positioning
- Work
Display
- Display diagonal
- 35.6 cm (14") cm
- Display resolution
- 2560 x 1600 pixels pixels
- Touchscreen
- Yes
- HD type
- WQXGA
- Panel type
- IPS
- Native aspect ratio
- 16:10
- Anti-glare screen
- Yes
- Display brightness
- 500 cd/m² cd/m²
- RGB colour space
- DCI-P3
- Colour gamut
- 100% %
- Maximum refresh rate
- 120 Hz Hz
- Contrast ratio (typical)
- 1500:1
Processor
- Processor family
- Intel Core Ultra 5
- Processor manufacturer
- Intel
- Processor model
- 115U
- Processor generation
- Intel® Core™ Ultra (Series 1)
- Processor cores
- 8
- Processor threads
- 10
- Processor boost frequency
- 4.2 GHz GHz
- Performance cores
- 2
- Efficient cores
- 4
- Low Power Efficient-cores
- 2
- Performance-core Max Turbo Frequency
- 4.2 GHz GHz
- Efficient-core Max Turbo Frequency
- 3.5 GHz GHz
- Low Power Efficient-core Max Turbo Frequency
- 2.1 GHz GHz
- Performance-core base frequency
- 1.5 GHz GHz
- Efficient-core base frequency
- 1 GHz GHz
- Low Power Efficient-core Base Frequency
- 700 MHz MHz
- Processor cache
- 10 MB MB
- Processor cache type
- Smart Cache
- Processor base power
- 15 W W
- Maximum turbo power
- 57 W W
Storage
- Card reader integrated
- Yes
- Compatible memory cards
- MicroSD (TransFlash)
- Total storage capacity
- 256 GB GB
- Storage media
- SSD
- Optical drive type
- No
- Total SSDs capacity
- 256 GB GB
- Number of SSDs installed
- 1
- SSD capacity
- 256 GB GB
- SSD interface
- PCI Express 4.0
- NVMe
- Yes
- SSD form factor
- M.2
Graphics
- On-board graphics card
- Yes
- Discrete graphics card
- No
- Discrete graphics card model
- Not available
- On-board graphics card model
- Intel Graphics
Audio
- Speakers manufacturer
- Harman Kardon
- Built-in microphone
- Yes
Camera
- Front camera
- Yes
- Front camera resolution (numeric)
- 8 MP MP
- Privacy camera
- Yes
- Privacy type
- Privacy shutter
Network
- Mobile network connection
- No
- Top Wi-Fi standard
- Wi-Fi 6E (802.11ax)
- Wi-Fi standards
- Wi-Fi 6E (802.11ax)
- Antenna type
- 2x2
- Ethernet LAN
- No
- Bluetooth
- Yes
- Bluetooth version
- 5.3
Ports & interfaces
- USB 2.0 ports quantity
- 0
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 0
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- 0
- HDMI ports quantity
- 1
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- 2
- 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
- 4.5
Keyboard
- Numeric keypad
- No
- Pointing device
- Touchpad
- Keyboard backlit
- Yes
- Keyboard layout
- QWERTY
Software
- Operating system installed
- ChromeOS
Battery
- Battery capacity
- 63 Wh Wh
- Battery technology
- Lithium-Ion (Li-Ion)
- Number of battery cells
- 3
Power
- USB Type-C charging port
- Yes
- AC adapter power
- 45 W W
- AC adapter frequency
- 50 - 60 Hz Hz
- AC adapter input voltage
- 100 - 240 V V
- AC adapter output current
- 3 A A
- AC adapter output voltage
- 15 V V
- USB Power Delivery (USB PD)
- Yes
Neural processor unit (NPU)
- Neural processor unit (NPU)
- Intel AI Boost
- Maximum frequency NPU
- 1.4 GHz GHz
- Sparsity support
- Yes
- Windows Studio effects support
- Yes
- AI software frameworks supported by NPU
- DirectML, ONNX RT, OpenVINO, Windows ML
Memory
- Internal memory
- 8 GB GB
- Maximum internal memory
- 8 GB GB
- Internal memory type
- LPDDR5x-SDRAM
- Memory form factor
- On-board
Security
- Cable lock slot
- Yes
- Cable lock slot type
- Kensington
- Fingerprint reader
- Yes
Certificates
- Compliance certificates
- REACH
Sustainability
- Sustainability certificates
- ENERGY STAR, Forest Stewardship Council (FSC) Mix, TCO
Weight & dimensions
- Weight
- 1.4 kg kg
- Width
- 313.7 mm mm
- Depth
- 222.8 mm mm
- Height
- 16.9 mm mm




