Notebook B3405CCA CU7-255H 14"/32/512 GB B3405CCA-LY0271X ASUS
AI PC, configured for you
ASUS ExpertBook B3 AI PC offers extensive customization to empower your daily business needs. Equipped with up to the latest Intel® Core™ Ultra 7 processor with Intel vPro®, Intel AI Boost NPU and Intel Arc graphics, this AI PC delivers solid performance to tackle a wide range of tasks seamlessly. ASUS ExpertBook B3 features AI tools such as ASUS AI ExpertMeet1, Microsoft Copilot2 and AI noise-canceling technology, delivering an unmatched productivity experience. With military-grade durability3, a full range of I/O ports, ultra-fast Wi-Fi 6E and advanced security features, this lightweight AI PC ensures flexibility and efficiency on the go. In addition, with long battery life, exceptional visuals and audio, and an eco-friendly design, ASUS ExpertBook B3 supports a sustainable, streamlined workflow — keeping you productive wherever you work.
- Windows 11 Pro 64-bit
- Intel Core Ultra 7 255H (24MB Cache)
- 35.6 cm (14") WUXGA 1920 x 1200
- 32GB DDR5-SDRAM & 512GB SSD
| NB Family name | ExpertBook |
| Model name | B3405CCA-LY0271X |
| Processor manufacturer | Intel |
| Processor family | Intel Core Ultra 7 |
| Processor generation | Intel Core Ultra (Series 2) |
| Processor model | 255H |
| Processor cores | 16 |
| Processor threads | 16 |
| Processor boost frequency | 5.1 GHz |
| Performance cores | 6 |
| Efficient cores | 8 |
| Low Power Efficient-cores | 2 |
| Performance-core Max Turbo Frequency | 5.1 GHz |
| Efficient-core Max Turbo Frequency | 4.4 GHz |
| Low Power Efficient-core Max Turbo Frequency | 2.5 GHz |
| Performance-core base frequency | 2 GHz |
| Efficient-core base frequency | 1.5 GHz |
| Low Power Efficient-core Base Frequency | 700 MHz |
| Processor cache | 24 MB |
| Maximum turbo power | 115 W |
| Processor base power | 28 W |
| Display diagonal | 14 " |
| Display resolution | 1920 x 1200 pixels |
| HD type | WUXGA |
| Touchscreen | No |
| LED backlight | Yes |
| Native aspect ratio | 16:10 |
| Anti-glare screen | Yes |
| Display brightness | 300 cd/m² |
| Colour gamut | 45 % |
| RGB colour space | NTSC |
| Maximum refresh rate | 60 Hz |
| Colour name | Gentle Grey |
| Product type | Laptop |
| Product colour | Grey |
| Form factor | Clamshell |
| Housing material | Aluminium,Plastic |
| Market positioning | Work |
| Certified refurbished | No |
| Copilot+ PC | No |
| Neural processor unit (NPU) | Intel AI Boost |
| Sparsity support | Yes |
| Windows Studio effects support | Yes |
| AI software frameworks supported by NPU | DirectML/ONNX RT/OpenVINO/WebNN/Windows ML |
| Total processor performance up to | 96 TOPs |
| NPU performance up to | 13 TOPs |
| GPU performance up to | 74 TOPs |
| Internal memory | 32 GB |
| Internal memory type | DDR5-SDRAM |
| Memory form factor | SO-DIMM |
| Memory slots | 2x SO-DIMM |
| Maximum internal memory | 64 GB |
| Total storage capacity | 512 GB |
| Storage media | SSD |
| Total SSDs capacity | 512 GB |
| Number of SSDs installed | 1 |
| SSD capacity | 512 GB |
| NVMe | Yes |
| SSD interface | PCI Express 4.0 |
| M.2 SSD size | 2280 (22 x 80 mm) |
| SSD form factor | M.2 |
| Optical drive type | No |
| Card reader integrated | Yes |
| Compatible memory cards | MicroSD (TransFlash) |
| Discrete graphics card | No |
| Discrete graphics card model | Not available |
| On-board GPU manufacturer | Intel |
| On-board graphics card | Yes |
| On-board graphics card family | Intel Arc Graphics |
| On-board graphics card model | Intel Arc 140T |
| Audio system | Dirac |
| Built-in microphone | Yes |
| Front camera | Yes |
| Front camera HD type | Full HD |
| Front camera resolution | 1920 x 1080 pixels |
| Privacy camera | Yes |
| Privacy type | Privacy shutter |
| Top Wi-Fi standard | Wi-Fi 6 (802.11ax) |
| Mobile network connection | No |
| 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 | 5.4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| Combo headphone/mic port | Yes |
| USB Type-C DisplayPort Alternate Mode | Yes |
| Pointing device | Touchpad |
| Keyboard backlit | Yes |
| Numeric keypad | No |
| Spill-resistant keyboard | Yes |
| Operating system architecture | 64-bit |
| Operating system installed | Windows 11 Pro |
| Battery technology | Lithium-Ion (Li-Ion) |
| Number of battery cells | 3 |
| 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 Type-C charging port | Yes |
| USB Power Delivery (USB PD) | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Trusted Platform Module (TPM) | Yes |
| Trusted Platform Module (TPM) version | 2.0 |
| Password protection | Yes |
| Password protection type | BIOS/HDD/User |
| Compliance certificates | REACH |
| Certification | US MIL-STD 810H military-grade standard |
| Sustainability certificates | ENERGY STAR/EPEAT Climate +/Forest Stewardship Council (FSC) Recycled/TCO |
| Width | 315.1 mm |
| Depth | 226.8 mm |
| Height (front) | 18.9 mm |
| Height (rear) | 19 mm |
| Weight | 1420 g |
| AC adapter included | Yes |
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