ASUS ExpertBook B3 (B3405)
14" clamshell · 2 CPU options · 1.42 kg
Specifications
14"
IPS display
2
CPU options
16 GB – 32 GB
Memory
512 GB
SSD storage
1.42 kg
Weight
Where each model fits
Family guideExpertBook B3 uses paired 14- and 16-inch design codes. Start with the 04, 05 or 06 design revision, then compare size and full SKU.
05 design · 2025
Paired B3405 and B3605 models.
06 design · 2026
The current catalogue contains B3606 only.
The complete suffix identifies processor platform and equipment. B3606 is a distinct 16-inch revision rather than a missing B3406 pair.
No product page· select a dashed model for information
How to read the names
Use the family labels for orientation, then verify the exact model and configuration.
- B34 / B36
- The 14- and 16-inch size lanes.
- 04 / 05 / 06
- Design revisions, not processor generation numbers.
- Full suffix
- Required to identify Intel/AMD platform and equipment.
- Missing pair
- Do not invent a B3406 merely because B3606 exists.
Detailed specs
Display
Build
Alternative laptops
HP ProBook 440 (G11) 14" · From $901 A similarly practical 14-inch business workhorse, praised for portability, comfort, battery life, connectivity, and upgradeable memory. 
Lenovo ThinkPad T14 (Gen 5) 14" · From $1,120 A widely recommended 14-inch all-round business laptop for buyers who value durable design and an excellent typing experience. 
Dell Pro 14 Plus (PB14250) 14" · From $1,475 A newer mainstream business alternative with a durable chassis, practical connectivity, and broad office-oriented configuration options. Price history
No price history available
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Listings
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