Intel Core ExpertBook B3 B3404CMA-XS74 Intel Core Ultra 7 155U Laptop 35.6 cm (14″) WUXGA 16 GB DDR5-SDRAM 512 GB SSD Wi-Fi 6E (802.11ax) Windows 11 Pro Black
- Screen size
- 14"
- Resolution
- 1920 x 1200
- Processor line
- Intel Core Ultra 7
- Capacity
- 16 GB
- Storage
- 512 GB
- Cores
- 12
- NVMe
- Y
- Depth
- 226.8 mm
- Width
- 313.7 mm
Overview
Configured to advance your business with AI
ASUS ExpertBook B3 is smartly crafted for business success, boosting productivity, elevating security and enabling real-time communication with flexible IT upgrades. Its powerful cutting-edge features include up to Intel® Core™ Ultra 7 processor with Intel vPro® and up to NVIDIA® RTX™ 2050 or Intel® Arc™ graphics, and a vibrant screen with a tall 16:10 aspect ratio. ExpertBook B3 is also packed with connectivity, has SSD with RAID 0/1 support, secure TPM1 chip, dual SO DIMM for easier IT upgrades and MIL-STD-810H2 military-grade durability — all in a design that embraces an eco-conscious outlook that embodies accountability and sustainability.
Compatibility
- Requires DDR5 memory — not interchangeable with other generations.
Compatibility data is automatically generated. Always verify critical specs before purchase.
Technical Specifications
General
86- NVMe
- Yes
- Bluetooth
- Yes
- Colour name
- Star Black
- Antenna type
- 2x2
- Audio system
- Dirac
- Colour gamut
- 45
- Ethernet LAN
- Yes
- Front camera
- Yes
- HDMI version
- 2.1
- M.2 SSD size
- 2280 (22 x 80 mm)
- Memory slots
- 2x SO-DIMM
- Privacy type
- Privacy shutter
- SSD interface
- PCI Express 4.0
- Storage media
- SSD
- Numeric keypad
- No
- Privacy camera
- Yes
- Security lock slot
- Yes
- Efficient cores
- 8
- Pointing device
- Touchpad
- Wi-Fi standard
- Wi-Fi 6E (802.11ax)
- AC adapter power
- 65 W
- Battery capacity
- 50 Wh
- Keyboard backlit
- Yes
- RGB colour space
- NTSC
- Sparsity support
- Yes
- Anti-glare screen
- Yes
- Bluetooth version
- 5.3
- Performance cores
- 2
- Smart card reader
- Yes
- Battery technology
- Lithium-Ion (Li-Ion)
- Display brightness
- 300
- Optical drive type
- No
- Top Wi-Fi standard
- Wi-Fi 6E (802.11ax)
- AC adapter included
- Yes
- Built-in microphone
- Yes
- Maximum turbo power
- 57
- Password protection
- Yes
- Total SSDs capacity
- 512
- AC adapter frequency
- 50 - 60
- Cable lock slot type
- Kensington
- Front camera HD type
- HD
- Processor base power
- 15
- Generation
- Intel Core Ultra (Series 1)
- Intel® Thunderbolt 4
- Yes
- Maximum frequency NPU
- 1.4
- Dedicated graphics
- No
- Integrated graphics
- Yes
- Compliance certificates
- REACH
- Ethernet LAN data rates
- 1000
- Number of battery cells
- 3
- AC adapter input voltage
- 100 - 240
- Combo headphone/mic port
- Yes
- Number of SSDs installed
- 1
- Password protection type
- BIOS,User,HDD
- Spill-resistant keyboard
- Yes
- USB Type-C charging port
- Yes
- AC adapter output current
- 3.25 A
- AC adapter output voltage
- 20 V
- Low Power Efficient-cores
- 2
- Mobile network connection
- No
- On-board GPU manufacturer
- Intel
- Operating system
- Windows 11 Pro
- Neural processor unit (NPU)
- Intel AI Boost
- Self-Encrypting Drive (SED)
- Yes
- Eco certifications
- Forest Stewardship Council (FSC) Recycled,TCO,ENERGY STAR,EPEAT Gold
- USB Power Delivery (USB PD)
- Yes
- Dedicated GPU model
- Not available
- Memory layout (slots x size)
- 2 x 8
- Integrated GPU model
- Intel Graphics
- Thunderbolt 4 ports quantity
- 2
- Efficient-core base frequency
- 1.2
- On-board graphics card family
- Intel Graphics
- OS architecture
- 64-bit
- Trusted Platform Module (TPM)
- Yes
- Windows Studio effects support
- Yes
- Performance-core base frequency
- 1.7
- Efficient-core Max Turbo Frequency
- 3.8
- Performance-core Max Turbo Frequency
- 4.8
- Trusted Platform Module (TPM) version
- 2.0
- USB Type-C DisplayPort Alternate Mode
- Yes
- AI software frameworks supported by NPU
- DirectML,ONNX RT,OpenVINO,Windows ML
- Low Power Efficient-core Base Frequency
- 700
- Low Power Efficient-core Max Turbo Frequency
- 2.1
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 0
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- 0
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- 2
Physical
8- Depth
- 226.8 mm
- Width
- 313.7 mm
- Height
- 19.9 mm
- Weight
- 1520 g
- Form factor
- Clamshell
- Product type
- Notebook
- Colour
- Black
- Market segment
- Work
Display
6- Display type
- WUXGA
- Touchscreen
- No
- LED backlight
- Yes
- Screen size
- 14"
- Resolution
- 1920 x 1200
- Aspect ratio
- 16:10
Storage
3- Capacity
- 512 GB
- Form factor
- M.2
- Storage
- 512 GB
Memory
4- Capacity
- 16 GB
- Form factor
- SO-DIMM
- Memory type
- DDR5-SDRAM
- Max memory
- 32 GB
Processor
8- Cache
- 12 MB
- Cores
- 12
- Model
- 155U
- Processor line
- Intel Core Ultra 7
- Threads
- 14
- Cache level
- Smart Cache
- CPU brand
- Intel
- Boost clock
- 4.8 GHz
Ports & Connectivity
3- HDMI ports
- 1
- USB 2.0 ports
- 0
- Ethernet ports
- 1
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