The ASUS ExpertBook B3 B3405CCA-U516512G0X is a compact, business-focused 14-inch laptop designed for professionals who need strong everyday performance, practical connectivity and a portable design. Powered by the Intel Core Ultra 5 125H processor, it is well suited for office work, multitasking, video meetings, web-based tools, admin, presentations and general business productivity.

Its 14-inch WUXGA display offers a taller 16:10 aspect ratio, giving you more vertical workspace for documents, spreadsheets and browsing compared with standard 16:9 displays. The 1920 x 1200 resolution, anti-glare finish and 300-nit brightness make it a practical choice for everyday work environments.

With 16GB DDR5 memory and a 512GB PCIe SSD, the ExpertBook B3 provides responsive performance for common business applications and fast access to files. Built-in 4G LTE support adds extra flexibility for users who need to stay connected while travelling or working away from standard Wi-Fi networks.

The laptop also includes a useful range of business-ready ports, including USB-C, USB-A, HDMI, RJ45 Ethernet, microSD, SIM and smart card support. Security-focused features such as a fingerprint reader, IR camera with privacy shutter and Kensington Nano Security Slot help make it a practical option for professional use.

This listing has been kept conservative and model-specific to reduce incorrect expectations and help avoid unnecessary returns.

Features

Intel Core Ultra 5 125H processor for strong everyday business performance
14-inch WUXGA display with 1920 x 1200 resolution
16:10 aspect ratio for more vertical workspace
300-nit anti-glare display for comfortable everyday viewing
16GB DDR5 RAM for smooth multitasking
512GB PCIe SSD for fast storage and quick file access
Integrated Intel graphics for everyday visual tasks and business use
4G LTE support for mobile connectivity where supported
Windows 11 Pro for professional and business environments
1080p FHD IR camera with privacy shutter for clearer video meetings and privacy control
Fingerprint reader for convenient sign-in
RJ45 Ethernet, HDMI, USB-C, USB-A, microSD, SIM and smart card connectivity
Gentle Grey finish with a lightweight business-friendly design

Specifications

Brand: ASUS
Series: ExpertBook B3
Model: B3405CCA-U516512G0X
Product Type: Laptop
Form Factor: Clamshell
Colour: Gentle Grey

Performance

Processor: Intel Core Ultra 5 125H
Processor Family: Series 1 Intel Core Ultra 5
Processor Speed: 1.20GHz base, up to 4.50GHz
Processor Cache: 18MB
Processor Cores: 14 cores
NPU: Intel AI Boost, up to 11 TOPS
Memory: 16GB DDR5
Storage: 512GB M.2 2280 NVMe PCIe 4.0 SSD
Graphics: Integrated Intel graphics

Display

Screen Size: 14-inch
Resolution: WUXGA, 1920 x 1200
Aspect Ratio: 16:10
Display Type: Non-touch, Wide View LED display
Brightness: 300 nits
Refresh Rate: 60Hz
Finish: Anti-glare

Camera, Keyboard & Security

Camera: 1080p FHD IR camera with privacy shutter
Keyboard: Chiclet keyboard
Fingerprint Reader: Included
Security Slot: Kensington Nano Security Slot
Smart Card Reader: Included

Connectivity

Wireless: Wi-Fi 6 / 802.11ax
Bluetooth: Bluetooth 5.3 / 5.4 listed across supplied references - use supplier/TAL final spec for marketplace attribute
Mobile Broadband: 4G LTE
SIM Slot: Included
Ethernet: RJ45 Gigabit Ethernet