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ASUS ExpertBook B5 B5405CCA-NZ0031X
Intel Core Ultra 7 255H 16 GB SSD 512 GB 14" LED QHD+ Wi-Fi 7/Bluetooth Windows 11 Professional
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A powerful laptop for professionals
The ASUS ExpertBook B5 B5405CCA laptop with a 14" display delivers excellent performance optimized by and for AI thanks to its Intel Core Ultra series 200 processor. With its mobile design and professional security features, it will be perfect for regular travel. The ASUS ExpertBook B5 B5405CCA-NZ0031X offers performance and speed thanks to its Intel Ultra 7 255H processor, 16 GB of DDR5 memory and its 512 GB M.2 PCIe SSD.
Mobile performance
Designed for efficiency and working comfort, the ExpertBook B5 B5405CCA features a 14" 16/10 display with 2560 × 1600 resolution and 100% of the sRGB gamut, delivering vivid colors in an ultra-light chassis with an 84% screen-to-body ratio. It includes an Intel Core Ultra series 200 processor with integrated Intel Arc GPU, as well as modern connectivity including two Thunderbolt 4 ports, an HDMI 2.1 port and Wi-Fi 7. Thanks to this combination, whether on the move, in meetings or during demanding multitasking, the ExpertBook B5 B5405CCA combines power and responsiveness, while remaining compact and stylish for mobile professionals.
Professional-grade security
Professional rigor is also reflected in the built-in reliability and security: the ExpertBook B5 complies with the US MIL-STD-810H military standard to withstand demanding conditions of use. It integrates a TPM 2.0 module, Absolute Persistence 2.0 (Computrace) support, a fingerprint reader in the power button, and a Kensington Nano slot for physical locking. The BIOS and firmware benefit from advanced protections (Intel Boot Guard, BIOS Guard, BIOS redundancy), while customizable options and flexible configurations help ensure secure and long-lasting deployment within the company.
Main features:
- Intel Core Ultra 7 255H processor
- 16 GB DDR5 memory
- 14" display with QHD+ resolution (2560 x 1600)
- 512 GB M.2 PCIe SSD (2 M.2 PCIe 4.0 slots in total: 1x 2230 + 1x 2280)
- High-performance wireless communication: Wi-Fi 7 and Bluetooth 5.4
- 2 Thunderbolt 4 connectors (USB-C) + HDMI 2.1 connector
- FHD 1080p webcam with shutter
- Windows 11 Professional
The local specific absorption rate (SAR) quantifies the user's exposure to electromagnetic waves from the equipment concerned. The maximum permitted SAR is 2 W/kg for the head and torso and 4 W/kg for the limbs.
All products sold on the LDLC.com website comply with these regulations. The SAR values of the products concerned are indicated on the product pages in the technical specifications section.
Select your criteria
General information |
Product name |
ASUS ExpertBook B5 B5405CCA-NZ0031X |
Brand |
ASUS | |
Model |
90NX08I1-M000Z0 | |
Operating system |
Operating system |
Windows 11 Pro |
OS family |
Microsoft Windows 11 | |
OS language |
French | |
Operating system provided |
Yes | |
Processor and chipset |
Processor brand |
Intel |
Processor |
Intel Core Ultra 7 | |
CPU frequency |
5.1 GHz | |
Number of cores |
16 | |
AI |
NPU (Neural Processing Unit) |
Intel AI Boost |
NPU performance (in billion operations per second) |
13 | |
Memory |
Memory size |
16 GB |
Memory type |
DDR5 | |
Graphics |
GPU series |
Intel Arc |
Graphics chipset |
Intel Arc Graphics 140T | |
Max-Q (GPU design) |
No | |
NVIDIA Studio |
No | |
Display |
Touch screen |
No |
Screen type |
LED | |
Screen size |
14 inches | |
Max resolution |
2560 x 1600 pixels | |
Screen format |
16:10 | |
Widescreen |
Yes | |
Matte/anti-glare panel |
Yes | |
Glossy panel |
No | |
NVIDIA G-SYNC |
No | |
VR Ready (virtual reality) |
No | |
Refresh rate |
60 Hz | |
Brightness |
400 nit(s) | |
Storage |
Hard drive(s) configuration |
SSD 512GB |
Hard drive |
SSD 512GB | |
Secondary hard drive |
Without secondary hard drive | |
Hard drive type |
SSD (Solid State Drive) | |
Hard drive interface |
M.2 - PCI-E | |
Number of discs |
1 | |
Max number of discs |
2 | |
Free hard drive slot(s) |
1 X M.2 - PCI-E 4.0 x4 | |
Optical drive |
None | |
Card reader |
None | |
Communication |
Wireless network standard(s) |
Wi-Fi 7 |
Bluetooth technology |
Bluetooth 5.4 | |
Intel vPro technology |
No | |
Wireless |
Yes | |
Multimedia |
Webcam |
Yes |
Speaker type |
Integrated | |
Equipment |
AI Ready |
Yes |
Type of activities |
Professional | |
Intel Evo |
No | |
Keyboard standard |
AZERTY | |
Location |
French | |
Backlit keyboard |
Yes | |
RGB keyboard |
No | |
Numeric keypad |
No | |
Biometric reader |
Yes | |
Office provided |
No | |
Connectivity |
Connector(s) available |
1 X RJ45 Female |
| 1 X 3.5mm Jack Female Stereo | ||
| 2 X USB 3.1 | ||
| 1 X HDMI 2.1 Female | ||
| 2 X Thunderbolt 4/USB-C | ||
Physical characteristics |
Depth |
226.8 mm |
Width |
315.1 mm | |
Front thickness |
17.5 mm | |
Rear thickness |
17.9 mm | |
Weight |
1.39 kg | |
Range |
ASUS ExpertBook | |
Ultrabook |
No | |
Hybrid / Convertible |
No | |
Repairability index (out of 10) |
9.7 | |
Power supply |
Battery capacity |
63 Wh |
Number of cells |
3 | |
Removable battery |
No | |
USB-C mains charger |
Yes | |
Charger included |
Yes | |
Warranties |
Commercial warranty |
Seller 5 years
|
Legal warranty |
See terms & conditions
|
|
Safety Information |
Responsible person |
ASUS Computer GmbH |
Postal address |
Harkort STR. 21-23, 40880 RATINGEN, GERMANY | |
Electronic Address |
ProducSafety@asus.com |
See all ASUS products
Product referenced on 20 Mar 2026
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