Business excellence, anywhere you work
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 processors 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.

All-metal luxury and lightness
ExpertBook B5 is meticulously crafted with an ultralight all-metal chassis that weighs a mere 1.29 kg and is as thin as 1.89 cm5 — so it’s as portable as it is beautiful.

AI power, built right in
Powered by up to, the latest, Intel® Core™ Ultra 7 processor, ExpertBook B5 delivers frictionless AI experiences with the best compatibility — right from the get-go.

Military-grade durability
ExpertBook B5 is expertly engineered to meet the ultra-demanding MIL-STD 810H US military standard, and also undergoes thorough in-house testing—including panel-pressure, shock and drop test6 — to ensure superior durability and reliability.

Enterprise-grade security
A suite of sophisticated security features protects both the ExpertBook B5 and your valuable data. These include a fingerprint sensor and infrared camera7 for fast, secure login, TPM 2.08 and smart-card reader7 for data protection and authentication, and a Kensington Nano Security Slot™ for physical security whenever you need it.

Performance on tap
ExpertBook B5 has the power to get the job done — whatever your business day brings. The latest, up to, Intel® Core™ Ultra 7 processor has AI performance on tap, while up to NVIDIA® GeForce RTX 2050 discrete graphics ensure rapid visual processing. It also packs up to 64 GB of fast DDR5 memory, with dual SO-DIMM support for easy maintenance and upgrades.

Smarter, faster, AI-powered
With the Intel Neural Processing Unit (NPU) and Copilot in Windows9 delivering unparalleled AI performance, the ExpertBook B5 series is an exceptional choice for professionals. It not only delivers amazing performance; it also offers enhanced security measures that provide robust defense against potential threats. This combination of hardware and software empowers users to navigate through their workloads with ease.

Intel’s first-ever NPU is dedicated to AI workloads and optimized for sustained, power-moderate applications. This groundbreaking integrated AI engine seamlessly delivers improved collaboration and productivity through local AI assistants, and superior video editing performance, all while maximizing energy efficiency for exceptional per-watt performance.

Copilot in Windows9 with commercial data protection is your AI assistant at work. Supercharge your productivity and achieve more with less time and effort using Copilot. Experience your everyday AI companion now with the dedicated Copilot key. Just one click for endless exploration.

Made for life on the go
The ultralight, starting at 1.29 kg, 1.89 cm5 all-metal chassis means ExpertBook B5 is ready to travel wherever you need to go — so you can work anytime, anywhere. It also has a capacious all-day battery that won’t let you down, plus support for fast-charging technology to top up speed whenever you need.

Immersion for modern working
With AI-powered noise cancelation, an AI-powered camera, built-in 4G LTE4 connectivity and an optional touchscreen, ExpertBook B5 creates immersive work experience without boundaries.

For professional conferencing experiences, ExpertBook B5 has two-way AI noise-canceling technology that employs sophisticated machine-learning techniques. The technology includes both an upstream function to filter noise around the speaker, and a downstream function to eliminate noise from the person at the other end of the conversation — so virtual chats feel as natural as being in the same room.

With ExpertBook B5’s AI-powered camera, you’ll enjoy virtual meetings without compare. Motion-tracking technology automatically keeps your face centered and adjusts to the focus of your eyes — eliminating the annoyance of having to adjust your camera mid-chat. With its ability to enhance both image quality and brightness automatically, the AI camera ensures you always look your best.

ExpertBook B5 is both 4G-enabled4 and has the latest WiFi 73 technology, ensuring faster speeds and safer connections wherever you work — and clearer conference calls with fewer interruptions.

Enterprise-grade security
ExpertBook B5’s enterprise-grade security features safeguard your business and personal information.

Smart card reader7
The built-in smart card reader can be used as a secondary ID check, enhancing identity security.

IR camera7
The built-in IR camera recognizes your face within seconds, logging you in without lifting a finger.

Fingerprint sensor
The fingerprint sensor that’s integrated into the power button, along with the infrared camera, works seamlessly with Windows Hello.

TPM 2.08
TPM 2.0 securely stores authentication information used by software, such as passwords or encryption keys, to protect important data and transactions.

Kensington Nano Security Slot™
An integrated Kensington Nano Security Slot™ allows ExpertBook B5 to be physically secured in high-risk locations.

Webcam shield
A physical webcam cover that slides over the lens provides a guarantee of privacy when the camera is not in use.

All the ports you need
ExpertBook B5 is loaded with the latest connectivity, including two Thunderbolt™ 4 Type-C ports and HDMI 2.1, plus smart card reader and nano SIM slot options.

ASUS ExpertBook B5 B5404CMA-Q50223X. Product type: Laptop, Form factor: Clamshell. Processor family: Intel Core Ultra 5, Processor model: 125U. Display diagonal: 14", HD type: WUXGA, Display resolution: 1920 x 1200 pixels. Internal memory: 16 GB, Internal memory type: DDR5-SDRAM. Total storage capacity: 512 GB, Storage media: SSD. On-board graphics card model: Intel Graphics. Operating system installed: Windows 11 Pro. Product color: Black. Weight: 2.95 lbs (1.34 kg)

Product type	Laptop
Product color	Black
Form factor	Clamshell
Color name	Star Black
Housing material	Aluminum, Magnesium
Market positioning	Business
Introduction year	2024
Display diagonal	14"
Display resolution	1920 x 1200 pixels
Touchscreen	No
HD type	WUXGA
LED backlight	Yes
Native aspect ratio	16:10
Anti-glare screen	Yes
Display brightness	300 cd/m²
RGB color space	NTSC
Color gamut	45%
Maximum refresh rate	60 Hz
Processor family	Intel Core Ultra 5
Processor manufacturer	Intel
Processor model	125U
Processor generation	Intel® Core™ Ultra (Series 1)
Processor cores	12
Processor boost frequency	4.3 GHz
Performance cores	2
Efficient cores	8
Performance-core Max Turbo Frequency	4.3 GHz
Efficient-core Max Turbo Frequency	3.6 GHz
Performance-core base frequency	1.3 GHz
Efficient-core base frequency	0.8 GHz
Processor cache	12 MB
Processor cache type	Smart Cache
Processor base power	15 W
Maximum turbo power	57 W
Neural processor unit (NPU)	Intel AI Boost
Maximum frequency NPU	1.4 GHz
Sparsity support	Yes
Windows Studio effects support	Yes
AI datatype support on NPU	FP16, FP32, Int8
AI software frameworks supported by NPU	DirectML, ONNX RT, OpenVINO, Windows ML
Internal memory	16 GB
Maximum internal memory	64 GB
Internal memory type	DDR5-SDRAM
Memory form factor	SO-DIMM
Memory slots	2x SO-DIMM
Total storage capacity	512 GB
Storage media	SSD
Optical drive type	No
Total SSDs capacity	512 GB
Number of SSDs installed	1
SSD capacity	512 GB
SSD interface	PCI Express 4.0
NVMe	Yes
SSD form factor	M.2
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
Audio system	Dolby Atmos
Built-in microphone	Yes
Front camera	Yes
Front camera resolution	1920 x 1080 pixels
Front camera HD type	Full HD
Privacy camera	Yes
Privacy type	Privacy shutter
Mobile network connection	No
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
Wi-Fi standards	Wi-Fi 6 (802.11ax)
Antenna type	2x2
Ethernet LAN	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s
Bluetooth	Yes
Bluetooth version	5.2
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
SmartCard slot	Yes
USB Type-C DisplayPort Alternate Mode	Yes
Numeric keypad	No
Pointing device	Touchpad
Keyboard backlit	Yes
Operating system installed	Windows 11 Pro
Operating system architecture	64-bit
Trial software	1-month trial for new Microsoft 365 customers. Credit card required.
Battery capacity	63 Wh
Battery technology	Lithium-Ion (Li-Ion)
Number of battery cells	3
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	Yes
Cable lock slot	Yes
Cable lock slot type	Kensington
Fingerprint reader	Yes
Smart card reader	Yes
Trusted Platform Module (TPM)	Yes
Trusted Platform Module (TPM) version	2.0
Password protection	Yes
Password protection type	BIOS, HDD, User
Compliance certificates	REACH, RoHS
Sustainability certificates	ENERGY STAR, EPEAT Gold, Forest Stewardship Council (FSC) Recycled
Weight	2.95 lbs (1.34 kg)
Width	12.4" (313.7 mm)
Depth	8.93" (226.8 mm)
Height (front)	0.744" (1.89 cm)
Height (rear)	0.748" (1.9 cm)
Package width	17.8" (452 mm)
Package depth	2.87" (73 mm)
Package height	10.7" (272 mm)
Package weight	6.64 lbs (3.01 kg)
Sustainability compliance	Yes