ASUS ExpertBook B3 14" WUXGA Laptop - Ultra 5 125H, 16GB, 512GB SSD, Win11P

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

Ports & Slots

• 2 x USB 3.2 Gen 1 Type-A
• 2 x USB 3.2 Gen 2 Type-C with display and power delivery support
• 1 x HDMI 2.1 TMDS
• 1 x 3.5mm Combo Audio Jack
• 1 x RJ45 Gigabit Ethernet
• 1 x MicroSD Card Reader
• 1 x SIM Card Slot
• 1 x Smart Card Reader
• 1 x Kensington Nano Security Slot

Software

• Operating System: Windows 11 Pro

Dimensions & Weight

• Dimensions: 31.51 x 22.68 x 1.89 ~ 1.90 cm
• Weight: 1.49kg

Power

• Battery: 50Wh, 3-cell Li-ion
• Adapter: 65W USB-C AC adapter

What's in the box
1 x Notebook
1 x AC Adapter
1 x Documentation