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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Intel Core Ultra 7 155U (12MB Cache), 32GB DDR5-SDRAM, 1000GB SSD, 35.6 cm (14") WUXGA 1920 x 1200 Touch, Intel Graphics, LAN, WLAN, Webcam, Windows 11 Pro 64-bit
SKU
B5404CM-Q6U731X
UNSPSC: 43211503
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.
Design
Colour nameStar Black
Product typeLaptop
Market positioningWork
Housing materialAluminium, Magnesium
Form factorClamshell
Product colourBlack
Display
HD typeWUXGA
LED backlightYes
Display brightness300 cd/m²
Contrast ratio (typical)1000:1
TouchscreenYes
Display resolution1920 x 1200 pixels
Display diagonal35.6 cm (14")
Anti-glare screenYes
Maximum refresh rate60 Hz
RGB colour spaceNTSC
Colour gamut45%
Native aspect ratio16:10
Processor
Processor generationIntel® Core™ Ultra (Series 1)
Processor cache typeSmart Cache
Processor cache12 MB
Processor model155U
Processor boost frequency4.8 GHz
Processor cores12
Processor threads14
Processor manufacturerIntel
Processor familyIntel Core Ultra 7
Processor base power15 W
Maximum turbo power57 W
Efficient-core base frequency1.2 GHz
Performance-core base frequency1.7 GHz
Efficient-core Max Turbo Frequency3.8 GHz
Performance-core Max Turbo Frequency4.8 GHz
Performance cores2
Efficient cores8
Low Power Efficient-core Base Frequency700 MHz
Low Power Efficient-core Max Turbo Frequency2.1 GHz
Low Power Efficient-cores2
Neural processor unit (NPU)
Neural processor unit (NPU)Intel AI Boost
Maximum frequency NPU1.4 GHz
Sparsity supportYes
Windows Studio effects supportYes
AI software frameworks supported by NPUDirectML, ONNX RT, OpenVINO, Windows ML
Memory
Memory form factorSO-DIMM
Internal memory32 GB
Internal memory typeDDR5-SDRAM
Memory slots2x SO-DIMM
Storage
SSD form factorM.2
Storage mediaSSD
Optical drive typeNo
Number of SSDs installed1
SSD capacity1 TB
SSD interfacePCI Express 4.0
Card reader integratedYes
Total storage capacity1 TB
Total SSDs capacity1 TB
NVMeYes
Graphics
Discrete graphics cardNo
On-board graphics card familyIntel Graphics
On-board graphics cardYes
On-board graphics card modelIntel Graphics
Discrete graphics card modelNot available
On-board GPU manufacturerIntel
Audio
Audio systemDolby Atmos
Built-in microphoneYes
Camera
Front cameraYes
Privacy cameraYes
Privacy typePrivacy shutter
Front camera HD typeFull HD
Infrared (IR) cameraYes
Windows HelloYes
Optical drive
Optical drive typeNo
Network
Mobile network connectionNo
Top Wi-Fi standardWi-Fi 6E (802.11ax)
Wi-Fi standardsWi-Fi 6E (802.11ax)
Ethernet LANYes
Ethernet LAN data rates1000 Mbit/s
BluetoothYes
Bluetooth version5.3
Antenna type2x2
Ports & interfaces
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
USB Type-C DisplayPort Alternate ModeYes
HDMI ports quantity1
HDMI version2.1
Ethernet LAN (RJ-45) ports1
Combo headphone/mic portYes
USB Power DeliveryYes
Charging port typeUSB Type-C
Thunderbolt 4 ports quantity2
Intel® Thunderbolt 4Yes
Performance
Repairability index8.4
Keyboard
Pointing deviceTouchpad
Numeric keypadNo
Keyboard backlitYes
Software
Operating system architecture64-bit
Trial software1-month trial for new Microsoft 365 customers. Credit card required.
Operating system installedWindows 11 Pro
Technical details
Market positioningWork
Housing materialAluminium, Magnesium
Form factorClamshell
Product colourBlack
Sustainability certificatesForest Stewardship Council (FSC) Recycled, ENERGY STAR, EPEAT Gold
Repairability index8.4
Compliance certificatesREACH
Battery
Battery technologyLithium-Ion (Li-Ion)
Number of battery cells3
Battery capacity63 Wh
Power
AC adapter power65 W
AC adapter frequency50 - 60 Hz
AC adapter input voltage100 - 240 V
AC adapter output current3.25 A
AC adapter output voltage20 V
Security
Password protectionYes
Cable lock slot typeKensington
Trusted Platform Module (TPM)Yes
Password protection typeBIOS, User, HDD
Fingerprint readerYes
Cable lock slotYes
Windows HelloYes
Smart card readerYes
Trusted Platform Module (TPM) version2.0
Certificates
Compliance certificatesREACH
Sustainability
Sustainability certificatesForest Stewardship Council (FSC) Recycled, ENERGY STAR, EPEAT Gold
Weight & dimensions
Width313.7 mm
Depth226.8 mm
Height (front)1.89 cm
Height (rear)1.9 cm
Weight1.59 kg
Other features
On-board graphics cardYes
Audio systemDolby Atmos
Anti-glare screenYes
SKU B5404CM-Q6U731X
EAN 4711387603062
Specification
Design
Colour nameStar Black
Product typeLaptop
Market positioningWork
Housing materialAluminium, Magnesium
Form factorClamshell
Product colourBlack
Display
HD typeWUXGA
LED backlightYes
Display brightness300 cd/m²
Contrast ratio (typical)1000:1
TouchscreenYes
Display resolution1920 x 1200 pixels
Display diagonal35.6 cm (14")
Anti-glare screenYes
Maximum refresh rate60 Hz
RGB colour spaceNTSC
Colour gamut45%
Native aspect ratio16:10
Processor
Processor generationIntel® Core™ Ultra (Series 1)
Processor cache typeSmart Cache
Processor cache12 MB
Processor model155U
Processor boost frequency4.8 GHz
Processor cores12
Processor threads14
Processor manufacturerIntel
Processor familyIntel Core Ultra 7
Processor base power15 W
Maximum turbo power57 W
Efficient-core base frequency1.2 GHz
Performance-core base frequency1.7 GHz
Efficient-core Max Turbo Frequency3.8 GHz
Performance-core Max Turbo Frequency4.8 GHz
Performance cores2
Efficient cores8
Low Power Efficient-core Base Frequency700 MHz
Low Power Efficient-core Max Turbo Frequency2.1 GHz
Low Power Efficient-cores2
Neural processor unit (NPU)
Neural processor unit (NPU)Intel AI Boost
Maximum frequency NPU1.4 GHz
Sparsity supportYes
Windows Studio effects supportYes
AI software frameworks supported by NPUDirectML, ONNX RT, OpenVINO, Windows ML
Memory
Memory form factorSO-DIMM
Internal memory32 GB
Internal memory typeDDR5-SDRAM
Memory slots2x SO-DIMM
Storage
SSD form factorM.2
Storage mediaSSD
Optical drive typeNo
Number of SSDs installed1
SSD capacity1 TB
SSD interfacePCI Express 4.0
Card reader integratedYes
Total storage capacity1 TB
Total SSDs capacity1 TB
NVMeYes
Graphics
Discrete graphics cardNo
On-board graphics card familyIntel Graphics
On-board graphics cardYes
On-board graphics card modelIntel Graphics
Discrete graphics card modelNot available
On-board GPU manufacturerIntel
Audio
Audio systemDolby Atmos
Built-in microphoneYes
Camera
Front cameraYes
Privacy cameraYes
Privacy typePrivacy shutter
Front camera HD typeFull HD
Infrared (IR) cameraYes
Windows HelloYes
Optical drive
Optical drive typeNo
Network
Mobile network connectionNo
Top Wi-Fi standardWi-Fi 6E (802.11ax)
Wi-Fi standardsWi-Fi 6E (802.11ax)
Ethernet LANYes
Ethernet LAN data rates1000 Mbit/s
BluetoothYes
Bluetooth version5.3
Antenna type2x2
Ports & interfaces
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
USB Type-C DisplayPort Alternate ModeYes
HDMI ports quantity1
HDMI version2.1
Ethernet LAN (RJ-45) ports1
Combo headphone/mic portYes
USB Power DeliveryYes
Charging port typeUSB Type-C
Thunderbolt 4 ports quantity2
Intel® Thunderbolt 4Yes
Performance
Repairability index8.4
Keyboard
Pointing deviceTouchpad
Numeric keypadNo
Keyboard backlitYes
Software
Operating system architecture64-bit
Trial software1-month trial for new Microsoft 365 customers. Credit card required.
Operating system installedWindows 11 Pro
Technical details
Market positioningWork
Housing materialAluminium, Magnesium
Form factorClamshell
Product colourBlack
Sustainability certificatesForest Stewardship Council (FSC) Recycled, ENERGY STAR, EPEAT Gold
Repairability index8.4
Compliance certificatesREACH
Battery
Battery technologyLithium-Ion (Li-Ion)
Number of battery cells3
Battery capacity63 Wh
Power
AC adapter power65 W
AC adapter frequency50 - 60 Hz
AC adapter input voltage100 - 240 V
AC adapter output current3.25 A
AC adapter output voltage20 V
Security
Password protectionYes
Cable lock slot typeKensington
Trusted Platform Module (TPM)Yes
Password protection typeBIOS, User, HDD
Fingerprint readerYes
Cable lock slotYes
Windows HelloYes
Smart card readerYes
Trusted Platform Module (TPM) version2.0
Certificates
Compliance certificatesREACH
Sustainability
Sustainability certificatesForest Stewardship Council (FSC) Recycled, ENERGY STAR, EPEAT Gold
Weight & dimensions
Width313.7 mm
Depth226.8 mm
Height (front)1.89 cm
Height (rear)1.9 cm
Weight1.59 kg
Other features
On-board graphics cardYes
Audio systemDolby Atmos
Anti-glare screenYes
Manufacturer ASUS
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