# Which brands offer the best mini PCs with expandable storage? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which brands offer the best mini PCs with expandable storage?

## Products

### MINISFORUM UM870 Plus
```yaml
product: minisforum-um870-plus
brand: MINISFORUM
price_gbp: 494.9
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ram: 16GB DDR5
cpu_model: AMD Ryzen 7 8745H
usb_ports: 2 x USB 3.2 Gen2 Type-A, 2 x USB 2.0 Type-A, 1 x USB4
dimensions: 130 x 126.5 x 50.4mm
storage_size: 1TB SSD
operating_system: Windows 11 Pro
expandable_storage_slots: 2 x M.2 2280 NVMe SSD slots, up to 4TB
```

- **Price:** £494.9 [^1]
- **Summary:** The MINISFORUM UM870 Plus is a compact mini PC with an AMD Ryzen 7 8745H processor, Radeon 780M graphics, DDR5 memory, and fast PCIe 4.0 storage. Its dual M.2 SSD slots, USB4, OCuLink, and triple-display support make it suitable for productivity, creative work, and gaming.
- **Ideal For:** It suits buyers seeking mini PCs with expandable storage because it offers two M.2 2280 PCIe 4.0 SSD slots supporting up to 4TB, along with upgradeable dual-channel DDR5 memory.
- **Additional Sources:** [^2]

### GMKtec EVO-T1
```yaml
product: gmktec-evo-t1
brand: GMKtec
price_gbp: 554.81
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ram: 64GB DDR5-5600
cpu_model: Intel Core Ultra 9 285H
usb_ports: 3 x USB-A 3.2 Gen 2, 1 x USB-C 3.2 Gen 2, 2 x USB-A 2.0, 1 x USB4
dimensions: 154 x 151 x 73.6 mm
storage_size: 1TB
operating_system: Windows 11 Pro
expandable_storage_slots: 3 x M.2 2280 PCIe 4.0 x4 SSD slots
```

- **Price:** £554.81 [^3]
- **Summary:** The GMKtec EVO-T1 is a powerful mini PC with an Intel Core Ultra 9 285H processor, 64GB of DDR5 memory, and a 1TB SSD. Its three M.2 SSD slots and generous USB connectivity suit developers, content creators, AI enthusiasts, and users who need substantial internal expansion.
- **Ideal For:** GMKtec is a strong choice for expandable-storage mini PCs because the EVO-T1 combines 64GB RAM with three M.2 2280 PCIe 4.0 x4 SSD slots, supporting up to 24TB of total SSD capacity.
- **Additional Sources:** [^4]

---
## References & Sources
[^1]: MINISFORUM US Store, accessed 2026-09-05. https://store.minisforum.com/products/minisforum-um870-plus-mini-pc
[^2]: MINISFORUM EU Store, accessed 2026-09-05. https://minisforumpc.eu/products/minisforum-um880-plus-mini-pc
[^3]: GMKtec US, accessed 2026-09-05. https://www.gmktec.com/products/intel-core-ultra-9-285h-evo-t1-ai-mini-pc
[^4]: GMKtec EU, accessed 2026-09-05. https://de.gmktec.com/en/products/gmktec-evo-t1-intel-core-ultra-9-285h-mini-pc