ASUS ExpertBook B5405CC Intel Core Ultra 7 255H 16GB RAM 512GB SSD Intel Arc Graphics 14" WUXGA Windows 11 Pro

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Key information

Processor: Intel Core Ultra 7 255H
Memory: 16GB DDR5 RAM
Storage: 512GB SSD
Display: 14" WUXGA
Graphics: Integrated Intel Arc 140T
Operating System: Windows 11 Pro
£1,049.99(inc. VAT) £874.99(exc. VAT)
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  • Product overview
  • Specifications
Product overview

Designed for work environments, this 14-inch laptop offers a reliable solution for business users seeking productivity and mobility. Its compact clamshell form factor and aluminium housing in Gentle Grey provide a professional appearance, while the lightweight design supports easy portability for users on the move.

The display features a 35.6 cm (14") WUXGA screen with a 1920 x 1200 resolution, anti-glare coating, and a 16:10 aspect ratio, delivering clear visuals suitable for extended use. The screen achieves a typical brightness of 300 cd/m² and a contrast ratio of 1000:1, supporting a 45% NTSC colour gamut for everyday business tasks.

Powered by an Intel Core Ultra 7 255H processor with 16 cores and 16 threads, this laptop is equipped for demanding workloads. It includes 16 GB DDR5-SDRAM memory and a 512 GB PCIe 4.0 NVMe SSD, ensuring fast data access and efficient multitasking. Integrated Intel Arc 140T graphics provide support for standard business applications.

Connectivity features include Bluetooth and an integrated MicroSD card reader. For video conferencing, the device offers a Full HD front camera with infrared capability and a privacy shutter. Security and privacy are further supported by the inclusion of Windows 11 Pro.

This laptop is well-suited for professionals and business users who require a dependable device for office tasks, remote work, or meetings, combining performance, portability, and essential features for everyday productivity.

Specifications
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 (GHz)
5.1
Performance cores
6
Efficient cores
8
Low Power Efficient-cores
2
Performance-core Max Turbo Frequency (GHz)
5.1
Efficient-core Max Turbo Frequency (GHz)
4.4
Low Power Efficient-core Max Turbo Frequency (GHz)
2.5
Performance-core base frequency (GHz)
2
Efficient-core base frequency (GHz)
1.5
Low Power Efficient-core Base Frequency (MHz)
700
Processor cache (MB)
24
Memory
Internal memory (GB)
16
Maximum internal memory (GB)
Internal memory type
DDR5-SDRAM
Memory form factor
SO-DIMM
Memory layout (slots x size)
1 x 16 GB
Memory slots
2x SO-DIMM
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
Screen
Screen Size (Inches)
14
Resolution
1920 x 1200 pixels
Touchscreen
No
HD type
WUXGA
Native aspect ratio
16:10
Anti-glare screen
Yes
Display brightness (cd/m)
300
RGB colour space
NTSC
Refresh Rate (Hz)
60
Contrast Ratio
1000:1
Storage
Total storage capacity (GB)
512
Storage media
SSD
Optical drive type
No
Total SSDs capacity (GB)
512
Number of SSDs installed
1
SSD capacity (GB)
512
SSD interface
PCI Express 4.0
NVMe
Yes
SSD form factor
M.2
Card reader integrated
Yes
Compatible memory cards
MicroSD (TransFlash)
M.2 SSD size
2280 (22 x 80 mm)
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
NPU performance up to
13 TOPs
Keyboard
Numeric keypad
No
Pointing device
Touchpad
Keyboard backlit
Yes
Battery & Power
Battery capacity (Wh)
63
Number of battery cells
3
USB Type-C required charging power (min)
55
USB Type-C required charging power (max)
65
USB Power Delivery (USB PD)
Yes
Audio
Audio system
Dirac
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
Network
Mobile network connection
No
Top Wi-Fi standard
Wi-Fi 7 (802.11be)
Wi-Fi standards
Wi-Fi 7 (802.11be)
Ethernet LAN
Yes
Ethernet LAN data rates
10,100,1000 Mbit/s
Bluetooth
Yes
Connectivity
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
Ethernet LAN (RJ-45) ports
1
HDMI version
2.1
Thunderbolt 4 ports quantity
2
Combo headphone/mic port
Yes
USB Type-C DisplayPort Alternate Mode
Yes
Security
Cable lock slot
Yes
Cable lock slot type
Kensington
Fingerprint reader
Yes
Smart card reader
Yes
Face recognition
Yes
Trusted Platform Module (TPM)
Yes
Trusted Platform Module (TPM) version
2
Dimensions & Weight
Weight (kg)
1.44
Width (mm)
315.1
Depth (mm)
226.8
Height (mm)
Height (front) (cm)
1.75
Height (rear) (cm)
1.79
Operating System
Operating system installed
Windows 11 Pro
Operating system architecture
64-bit
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