The ASUS ZenBook 14 UM425 (2021) features LPDDR4x-4266 (soldered) memory that is soldered to the motherboard and cannot be upgraded after purchase. However, you can still upgrade the SSD for more storage and faster performance.
ASUS ZenBook 14 UM425 Specifications
| Specification | Details |
|---|---|
| Processor | AMD Ryzen 5000 |
| Release Year | 2021 |
| RAM Type | LPDDR4x-4266 (soldered) |
| RAM Slots | Soldered (not upgradeable) |
| Maximum RAM | 16GB (configure at purchase) |
| Storage | M.2 2280 NVMe PCIe 3.0 |
Memory (Soldered — Not Upgradeable)
The ASUS ZenBook 14 UM425 has LPDDR4x-4266 (soldered) memory soldered directly to the motherboard. This means RAM cannot be added or replaced after purchase. If you need more memory, you will need to purchase a model with a higher RAM configuration.
ASUS ZenBook 14 UM425 SSD Upgrade
The ASUS ZenBook 14 UM425 supports M.2 2280 NVMe PCIe 3.0 solid state drives. Upgrading the SSD is one of the best performance improvements you can make, especially if the laptop came with a smaller capacity drive.
SSD Installation
- Shut down and remove the bottom panel as described above
- Locate the M.2 SSD slot (usually secured with a single screw)
- Remove the retaining screw and carefully slide the existing SSD out at an angle
- Insert the new M.2 NVMe SSD at a 30-degree angle
- Press down flat and secure with the retaining screw
- Reassemble the laptop and install your operating system
Recommended Upgrade Products
| Product | Type | Best For | Link |
|---|---|---|---|
| Samsung 970 EVO Plus 1TB NVMe | SSD | High performance | Shop |
| WD Blue SN570 1TB NVMe | SSD | Great value | Shop |
| Crucial P3 Plus 1TB NVMe | SSD | Budget NVMe | Shop |
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Frequently Asked Questions
Q: Can I upgrade the RAM in the ASUS ZenBook 14 UM425?
A: No, the ASUS ZenBook 14 UM425 has soldered RAM that cannot be replaced or expanded after purchase. Choose your memory configuration when buying.
Q: What SSD does the ASUS ZenBook 14 UM425 use?
A: The ASUS ZenBook 14 UM425 uses a M.2 2280 NVMe PCIe 3.0 solid state drive. You can replace it with any compatible M.2 drive for more storage.
Q: How do I check my current RAM and storage?
A: Open Task Manager (Ctrl+Shift+Esc), click Performance, then check Memory and Disk tabs. For detailed specs, use CPU-Z (free utility).
Q: Is the ASUS ZenBook 14 UM425 worth upgrading?
A: While RAM cannot be upgraded, replacing the SSD with a larger capacity drive is worthwhile for additional storage and potentially faster performance.
Related Guides
- ASUS Laptop Upgrade Guide
- RAM Compatibility Guide 2026
- SSD Compatibility Guide 2026
- Laptop Battery Replacement Guide
