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ASUS ExpertBook B5 B5405CC-LYU715X Intel Core Ultra 7 255H Laptop 35.6 cm (14") WUXGA 16 GB DDR5-SDRAM 512 GB SSD Wi-Fi 7 Windows 11 Pro Black
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£840.92
£1009.10 (Inc. VAT)
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Design
Colour name
Gentle Grey
Product type
Laptop
Market positioning
Work
Housing material
Aluminium
Form factor
Clamshell
Product colour
Black
Introduction year
2025
Display
HD type
WUXGA
LED backlight
Yes
Display brightness
300 cd/m²
Contrast ratio (typical)
1000:1
Touchscreen
No
Display resolution
1920 x 1200 pixels
Display diagonal
35.6 cm (14")
Anti-glare screen
Yes
Maximum refresh rate
60 Hz
RGB colour space
NTSC
Colour gamut
45%
Native aspect ratio
16:10
Processor
Processor generation
Intel Core Ultra (Series 2)
Processor cache
24 MB
Processor model
255H
Processor boost frequency
5.1 GHz
Processor cores
16
Processor threads
16
Processor manufacturer
Intel
Processor family
Intel Core Ultra 7
Processor base power
28 W
Maximum turbo power
115 W
Efficient-core base frequency
1.5 GHz
Performance-core base frequency
2 GHz
Efficient-core Max Turbo Frequency
4.4 GHz
Performance-core Max Turbo Frequency
5.1 GHz
Performance cores
6
Efficient cores
8
Low Power Efficient-core Base Frequency
700 MHz
Low Power Efficient-core Max Turbo Frequency
2.5 GHz
Low Power Efficient-cores
2
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
Memory form factor
SO-DIMM
Internal memory
16 GB
Memory layout (slots x size)
1 x 16 GB
Internal memory type
DDR5-SDRAM
Memory slots
2x SO-DIMM
Storage
SSD form factor
M.2
Storage media
SSD
Optical drive type
No
Number of SSDs installed
1
SSD capacity
512 GB
SSD interface
PCI Express 4.0
Card reader integrated
Yes
Compatible memory cards
MicroSD (TransFlash)
Total storage capacity
512 GB
Total SSDs capacity
512 GB
NVMe
Yes
M.2 SSD size
2280 (22 x 80 mm)
Graphics
Discrete graphics card
No
On-board graphics card family
Intel Arc Graphics
On-board graphics card
Yes
On-board graphics card model
Intel Arc 140T
Discrete graphics card model
Not available
On-board GPU manufacturer
Intel
Audio
Audio system
Dirac
Camera
Front camera
Yes
Front camera resolution
1920 x 1080 pixels
Privacy camera
Yes
Privacy type
Privacy shutter
Front camera HD type
Full HD
Infrared (IR) camera
Yes
Windows Hello
Yes
Optical drive
Optical drive type
No
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
Bluetooth version
5.4
Antenna type
2x2
Ports & interfaces
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
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
2
USB Type-C DisplayPort Alternate Mode
Yes
USB 2.0 ports quantity
0
HDMI ports quantity
1
HDMI version
2.1
Ethernet LAN (RJ-45) ports
1
Combo headphone/mic port
Yes
USB Power Delivery (USB PD)
Yes
Thunderbolt 4 ports quantity
2
Intel® Thunderbolt 4
Yes
Performance
Repairability index
9.7
Keyboard
Pointing device
Touchpad
Numeric keypad
No
Keyboard backlit
Yes
Software
Operating system architecture
64-bit
Trial software
1-month trial for new Microsoft 365 customers
Operating system installed
Windows 11 Pro
Technical details
Market positioning
Work
Housing material
Aluminium
Form factor
Clamshell
Product colour
Black
Sustainability certificates
ENERGY STAR, EPEAT Climate +, EPEAT Gold, Forest Stewardship Council (FSC) Recycled
Repairability index
9.7
Compliance certificates
REACH
Battery
Battery technology
Lithium-Ion (Li-Ion)
Number of battery cells
3
Battery capacity
63 Wh
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 Power Delivery (USB PD)
Yes
USB Type-C charging port
Yes
USB Type-C required charging power (min)
55 W
USB Type-C required charging power (max)
65 W
Security
Password protection
Yes
Cable lock slot type
Kensington
Trusted Platform Module (TPM)
Yes
Password protection type
BIOS, HDD, User
Fingerprint reader
Yes
Face recognition
Yes
Cable lock slot
Yes
Windows Hello
Yes
Smart card reader
Yes
Trusted Platform Module (TPM) version
2.0
Certificates
Compliance certificates
REACH
Sustainability
Sustainability certificates
ENERGY STAR, EPEAT Climate +, EPEAT Gold, Forest Stewardship Council (FSC) Recycled
Weight & dimensions
Width
315.1 mm
Depth
226.8 mm
Height (front)
1.75 cm
Height (rear)
1.79 cm
Weight
1.44 kg
Packaging data
AC adapter included
Yes
Packaging content
AC adapter included
Yes
Other features
On-board graphics card
Yes
Audio system
Dirac
AC adapter included
Yes
Anti-glare screen
Yes
ASUS ExpertBook B5 B5405CC-LYU715X Intel Core Ultra 7 255H Laptop 35.6 cm (14") WUXGA 16 GB DDR5-SDRAM 512 GB SSD Wi-Fi 7 Windows 11 Pro Black
| Length | 22.68 cm |
| Width | 31.51 cm |
| Height | 1.75 cm |
| Weight | 1.44 kgs |
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