ASUS Zenbook 14 OLED UX3405
Everything you need to understand this laptop — core hardware, graphics, display, connectivity and practical upgrade options.
Configuration-dependent; check the exact product number in the linked manufacturer documentation.
Configuration-dependent; check the exact product number in the linked manufacturer documentation.
Up to 32 GB listed
M.2 2280 PCIe 4.0 x4 NVMe SSD
The complete picture
Hardware specifications
Options can vary by product number, country and factory configuration. Unknown details are labelled rather than guessed.
Performance
Processor, graphics and acceleration
- Processor
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
- Graphics
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
- Chipset / AI hardware
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
Display & media
Screen, camera and sound
- Panel
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
- Camera
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
- Audio
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
Connectivity & security
Ports, wireless and protection
- Ports
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
- Wireless
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
- Security
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
Power & design
Battery, operating system and build
- Battery
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
- Weight / dimensions
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
- Operating system
- Configuration-dependent
- check the exact product number in the linked manufacturer documentation.
Plan your upgrade
Possible upgrades
See the listed RAM ceiling, storage options and what each upgrade is useful for. Maximums are only shown when supported by the model information available here.
Up to 32 GB
Listed model capacity; confirm your exact configuration before buying.
Maximum capacity not verified for this exact model variant.
Capacity shown is based on documented manufacturer options, not necessarily a hard limit. Confirm the exact configuration and connector before buying.
Check before you buy
Upgrade compatibility
RAM specifications
Memory type, slots and listed capacity
- Memory type
- LPDDR5 / LPDDR5X onboard, depending on SKU
- Upgradeability
- Onboard memory
- no expansion slot
- Maximum listed
- Up to 32 GB, with 8 GB and 16 GB configurations also listed
Listed configurations
- RAM cannot be upgraded like a SO-DIMM; verify the full UX3405 suffix.
SSD & storage specifications
Drive format, connection and limits
- Drive type
- M.2 2280 PCIe 4.0 x4 NVMe SSD
- Slots
- 1 × M.2 2280 slot
- Factory capacities
- 512 GB or 1 TB listed
- Factory capacity is not a guaranteed maximum replacement capacity.
Before you order parts
- Choose RAM capacity carefully because memory is onboard.
- ASUS lists one M.2 2280 PCIe 4.0 x4 slot; confirm exact SKU and current drive length.
Official specifications & sources
Manufacturer pages are the reference for exact configurations.