Detailed comparison of ATX, Micro-ATX, and Mini-ITX form factors. Size, expansion, pricing.
Key Takeaways
- Always check compatibility before purchasing any upgrade. Use our model-specific guides for verified specifications.
- DDR4 and DDR5 are not interchangeable – verify which generation your device supports.
- Form factor matters – laptops use SO-DIMM, desktops use DIMM, NAS devices typically use SO-DIMM.
- Maximum capacity limits vary by device – exceeding them causes boot failures or wasted money.
Practical Recommendations
Based on testing across hundreds of devices:
- Office work: 16GB RAM + 500GB SSD
- Gaming: 32GB RAM + 1TB NVMe SSD
- Content creation: 32-64GB RAM + 2TB NVMe SSD
- Servers: 64-128GB ECC RAM + enterprise NVMe
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Related Guides
FAQ
How do I check compatibility?
Use our model-specific guides or check the manufacturer QVL. Always verify DDR generation, form factor, and max capacity.
Where to buy upgrades in the UK?
We recommend Amazon UK for best pricing, selection, and returns.
Will upgrading void my warranty?
Most manufacturers consider RAM/SSD upgrades user-serviceable. Check your specific warranty terms.
Related Resources
- Laptop Upgrade Compatibility Checker — Check RAM, SSD & charger compatibility for 3,195+ models
- RAM Compatibility Guide — DDR4, DDR5 & LPDDR5 explained
- SSD Compatibility Guide — NVMe, SATA & M.2 sizes
- Charger Compatibility Guide — USB-C, Power Delivery & GaN
- Docking Station Compatibility Guide — Thunderbolt, USB-C & DisplayLink
Popular Brand Upgrade Guides
Updated April 2026.
Find Compatible Upgrades
Use our compatibility guides to find the right parts for your system.
RAM Guide SSD GuideRecommended NVMe SSDs
Western Digital
Western Digital WD SSD M.2 (2280) 1TB Black SN7100 PCIe 4.0/NVMe (Di)
£191.33
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