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ASUS
ASUS ExpertBook B3 Core Ultra 5 16GB 512GB - B3405CCA-U516512G0X
Estimated delivery between August 11 and August 15.
The ASUS ExpertBook B3 B3405CCA is a 14-inch business AI notebook powered by the Intel Core Ultra 5 125H processor with Intel AI Boost NPU, 16GB DDR5 memory and a 512GB PCIe 4.0 NVMe SSD. It features a 300-nit WUXGA anti-glare display, 4G LTE support, 1080p IR camera, fingerprint security, Wi-Fi 6 and Windows 11 Pro.
Product Description
The ASUS ExpertBook B3 B3405CCA is designed for business productivity, AI-enabled workloads and professional mobile use.
It is powered by the Intel Core Ultra 5 Processor 125H with 14 cores, 18 threads, 18MB cache and speeds of up to 4.5GHz.
An integrated Intel AI Boost NPU provides dedicated neural-processing capability for supported AI workloads and applications.
The notebook includes 16GB DDR5 SO-DIMM memory and a 512GB M.2 2280 NVMe PCIe 4.0 SSD for responsive multitasking and fast storage.
Its 14-inch WUXGA display features a 1920 × 1200 resolution in a productivity-focused 16:10 aspect ratio. The non-touch display provides 300-nit brightness, a 60Hz refresh rate, wide viewing angles and an anti-glare surface.
The ExpertBook B3 provides two DDR5 SO-DIMM slots together with M.2 2230 and M.2 2280 PCIe 4.0 x4 expansion slots.
This configuration supports 4G LTE connectivity and includes a SIM card slot for compatible mobile-network use.
Connectivity includes two USB 3.2 Gen 2 Type-C ports with display and Power Delivery support, two USB 3.2 Gen 1 Type-A ports, HDMI 2.1 TMDS, Gigabit Ethernet, microSD card reader, smart card reader and a 3.5mm combo audio jack.
Wi-Fi 6 and Bluetooth 5.4 provide additional wireless connectivity.
A 1080p Full HD camera includes an IR function for Windows Hello facial recognition together with a physical privacy shutter.
Business-focused security includes a fingerprint sensor integrated into the power key, TPM 2.0, Kensington Nano Security Slot and multiple BIOS-level security features.
The ExpertBook B3 meets the US MIL-STD-810H military-grade standard and comes with Windows 11 Pro.
Key Features
• Intel Core Ultra 5 Processor 125H
• 14 cores and 18 threads
• Up to 4.5GHz processor speed
• 18MB processor cache
• Intel AI Boost NPU
• 16GB DDR5 SO-DIMM memory
• 2 × DDR5 SO-DIMM slots
• 512GB M.2 2280 NVMe PCIe 4.0 SSD
• M.2 2230 PCIe 4.0 x4 slot
• M.2 2280 PCIe 4.0 x4 slot
• Intel Graphics
• 14-inch WUXGA display
• 1920 × 1200 resolution
• 16:10 aspect ratio
• 300-nit brightness
• 60Hz refresh rate
• Anti-glare display
• Wide-view panel
• 45% NTSC colour gamut
• 84% screen-to-body ratio
• 1080p Full HD IR camera
• Windows Hello facial recognition support
• Physical camera privacy shutter
• 4G LTE support
• SIM card slot
• Wi-Fi 6 dual-band 2 × 2
• Bluetooth 5.4
• Gigabit Ethernet
• Fingerprint sensor integrated into power key
• Backlit Chiclet keyboard
• MicroSD card reader
• Smart card reader
• 2 × USB 3.2 Gen 1 Type-A
• 2 × USB 3.2 Gen 2 Type-C with display and Power Delivery
• HDMI 2.1 TMDS
• 50Wh 3-cell lithium-ion battery
• 65W USB-C AC adapter
• TPM 2.0
• Kensington Nano Security Slot
• US MIL-STD-810H military-grade standard
• Windows 11 Pro
• Gentle Grey finish
Recommended Use Cases
• Business and office productivity
• Remote and hybrid work
• AI-enabled business applications
• Microsoft 365 applications
• Mobile professionals requiring LTE connectivity
• Video conferencing
• Professional presentations
• Business administration
• Web-based business applications
• Small and medium business environments
• Mobile workforce deployments
Specifications
| FIELD | DETAILS |
|---|---|
| Product Code | B3405CCA-U516512G0X |
| ASUS Model Number | 90NX08L1-M012M0 |
| Series | ExpertBook B3 |
| Model | B3405CCA |
| Product Type | Business Notebook |
| Operating System | Windows 11 Pro |
| Processor | Intel Core Ultra 5 Processor 125H |
| Processor Base Speed | 1.2GHz |
| Maximum Processor Speed | Up to 4.5GHz |
| Processor Cores | 14 |
| Processor Threads | 18 |
| Processor Cache | 18MB |
| Neural Processor | Intel AI Boost NPU |
| Integrated Graphics | Intel Graphics |
| Installed Memory | 16GB DDR5 SO-DIMM |
| Memory Slots | 2 × DDR5 SO-DIMM |
| Memory Upgrade | Upgradeable |
| Storage | 512GB M.2 2280 NVMe PCIe 4.0 SSD |
| Expansion Slots | 2 × DDR5 SO-DIMM; 1 × M.2 2230 PCIe 4.0 x4; 1 × M.2 2280 PCIe 4.0 x4 |
| Display Size | 14-inch |
| Display Resolution | WUXGA 1920 × 1200 |
| Aspect Ratio | 16:10 |
| Display Type | LED Backlit, Wide View |
| Touchscreen | No |
| Surface | Anti-Glare |
| Brightness | 300 nits |
| Refresh Rate | 60Hz |
| Colour Gamut | 45% NTSC |
| Viewing Angle | 170° / 170° |
| Response Time | 20ms Typical / 25ms Maximum |
| Contrast Ratio | 800:1 Typical |
| Screen-to-Body Ratio | 84% |
| Camera | 1080p FHD IR Camera with Privacy Shutter |
| Facial Recognition | Windows Hello Support |
| Keyboard | Backlit Chiclet Keyboard |
| Fingerprint Sensor | Integrated with Power Key |
| Audio | Audio by Dirac with Smart Amp Technology |
| Speakers | Built-In |
| Microphone | Built-In Array Microphone |
| Mobile Broadband | 4G LTE Support |
| SIM Slot | Yes |
| Wireless | Wi-Fi 6 802.11ax Dual-Band 2 × 2 |
| Bluetooth | Bluetooth 5.4 |
| Ethernet | RJ45 Gigabit Ethernet |
| USB-A | 2 × USB 3.2 Gen 1 Type-A |
| USB-C | 2 × USB 3.2 Gen 2 Type-C with Display / Power Delivery |
| HDMI | 1 × HDMI 2.1 TMDS |
| Card Reader | MicroSD Card Reader |
| Smart Card Reader | Yes |
| Audio Port | 1 × 3.5mm Combo Audio Jack |
| Battery | 50Wh, 3-Cell Li-Ion |
| AC Adapter | 65W USB-C |
| Adapter Output | 20V DC, 3.25A, 65W |
| Required Charging Power | 55W Minimum / 65W Maximum |
| Military Standard | US MIL-STD-810H |
| Dimensions | 31.51 × 22.68 × 1.89–1.90cm |
| Weight with Battery | 1.49kg |
| Weight without Battery | 1.30kg |
| LCD Cover Material | Aluminium |
| Top Case Material | Plastic |
| Bottom Case Material | Plastic |
| Colour | Gentle Grey |
Compatibility
Supports external displays through:
• USB-C display output
• HDMI 2.1 TMDS
Supports USB-C Power Delivery charging with a specified charging range of 55W to 65W. The supplied adapter is rated at 65W.
Network connectivity includes:
• 4G LTE support
• SIM card slot
• Wi-Fi 6 802.11ax dual-band 2 × 2
• Bluetooth 5.4
• RJ45 Gigabit Ethernet
Expansion includes:
• 2 × DDR5 SO-DIMM slots
• 1 × M.2 2230 PCIe 4.0 x4 slot
• 1 × M.2 2280 PCIe 4.0 x4 slot
When an LTE/5G configuration is selected, ASUS notes that the M.2 2230 SSD position cannot be used additionally because of the system design.
What’s in the Box
• 1 × ASUS ExpertBook B3 B3405CCA Notebook
• 1 × 65W USB-C AC Adapter
• 1 × Power Cord
Warranty
One-Year ASUS Onsite Service
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