ASUS ExpertBook B5 B5404CM-Q6U731X Intel Core Ultra 7 155U Laptop 35.6 cm (14") Touchscreen WUXGA 32 GB DDR5-SDRAM 1 TB SSD Wi-Fi 6E (802.11ax) Windows 11 Pro Black
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Product Information
Business excellence with AI
ASUS ExpertBook B5 is the perfect on-the-go companion for forward-thinking professionals. It’s an ultralight, AI-ready marvel that combines the latest Intel® Core™ Ultra processor with Intel vPro® and discrete NVIDIA® graphics1, ushering in a new era of productivity — plus a taller 16:10 touchscreen2 for deeper immersion. With AI-powered features like an intelligent camera and noise cancelation plus seamless WiFi 73 and 4G connectivity4, everyday business is smarter, faster and smoother. ExpertBook B5 equips you for effective, enjoyable work — everywhere you go.
Product
Name
ASUS ExpertBook B5 B5404CM-Q6U731X Intel Core Ultra 7 155U Laptop 35.6 cm (14") Touchscreen WUXGA 32 GB DDR5-SDRAM 1 TB SSD Wi-Fi 6E (802.11ax) Windows 11 Pro Black
Category
Brand
Display
Display diagonal
35.6 cm (14")
Display resolution
1920 x 1200 pixels
Touchscreen
Yes
HD type
WUXGA
LED backlight
Yes
Native aspect ratio
16:10
Anti-glare screen
Yes
Display brightness
300 cd/m²
RGB colour space
NTSC
Colour gamut
45%
Maximum refresh rate
60 Hz
Contrast ratio (typical)
1000:1
Processor
Processor family
Intel Core Ultra 7
Processor manufacturer
Intel
Processor model
155U
Processor generation
Intel® Core™ Ultra (Series 1)
Processor cores
12
Processor threads
14
Processor boost frequency
4.8 GHz
Performance cores
2
Efficient cores
8
Low Power Efficient-cores
2
Performance-core Max Turbo Frequency
4.8 GHz
Efficient-core Max Turbo Frequency
3.8 GHz
Low Power Efficient-core Max Turbo Frequency
2.1 GHz
Performance-core base frequency
1.7 GHz
Efficient-core base frequency
1.2 GHz
Low Power Efficient-core Base Frequency
700 MHz
Processor cache
12 MB
Processor cache type
Smart Cache
Processor base power
15 W
Maximum turbo power
57 W
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
Ethernet LAN (RJ-45) ports
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
32 GB
Maximum internal memory
64 GB
Internal memory type
DDR5-SDRAM
Memory form factor
SO-DIMM
Memory slots
2x SO-DIMM
Weight & dimensions
Weight
1.59 kg
Width
313.7 mm
Depth
226.8 mm
Height (front)
1.89 cm
Height (rear)
1.9 cm
Power
USB Type-C charging port
Yes
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
Audio
Audio system
Dolby Atmos
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 6E (802.11ax)
Wi-Fi standards
Wi-Fi 6E (802.11ax)
Antenna type
2x2
Ethernet LAN
Yes
Ethernet LAN data rates
10,100,1000 Mbit/s
Bluetooth
Yes
Bluetooth version
5.3
Security
Cable lock slot
Yes
Cable lock slot type
Kensington
Fingerprint reader
Yes
Smart card reader
Yes
Windows Hello
Yes
Trusted Platform Module (TPM)
Yes
Trusted Platform Module (TPM) version
2.0
Password protection
Yes
Password protection type
BIOS, User, HDD
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. Credit card required.
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
63 Wh
Battery technology
Lithium-Ion (Li-Ion)
Number of battery cells
3
Graphics
On-board graphics card
Yes
Discrete graphics card
No
Discrete graphics card model
Not available
On-board graphics card model
Intel Graphics
On-board GPU manufacturer
Intel
On-board graphics card family
Intel Graphics
Design
Product type
Laptop
Product colour
Black
Form factor
Clamshell
Colour name
Star Black
Housing material
Aluminium, Magnesium
Market positioning
Work
Performance
Repairability index
8.4
Sustainability
Sustainability certificates
Forest Stewardship Council (FSC) Recycled, ENERGY STAR, EPEAT Gold
Neural processor unit (NPU)
Neural processor unit (NPU)
Intel AI Boost
Maximum frequency NPU
1.4 GHz
Sparsity support
Yes
Windows Studio effects support
Yes
AI software frameworks supported by NPU
DirectML, ONNX RT, OpenVINO, Windows ML
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