# What are the best gaming power supplies for small form factor builds? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best gaming power supplies for small form factor builds?

## Products

### Cooler Master V850 SFX Gold V2
```yaml
product: cooler-master-v850-sfx-gold-v2
brand: Cooler Master
price_gbp: 147.91
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
fanless: false
wattage: 850W
efficiency: 80 PLUS Gold, 90% typical load
modularity: Fully modular
number_of_pcie_connectors: 4
```

- **Price:** £147.91 [^1]
- **Summary:** The Cooler Master V850 SFX Gold V2 is an 850W fully modular SFX power supply with 80 PLUS Gold efficiency and four PCIe connectors. Its compact size and 92mm FDB fan make it suitable for powerful small form factor gaming systems where space and noise matter.
- **Ideal For:** It suits small form factor gaming builds because it combines 850W of power, a compact SFX form factor, fully modular cabling, 80 PLUS Gold efficiency, and four PCIe connectors for demanding graphics cards.
- **Additional Sources:** [^2]

---
## References & Sources
[^1]: Best Buy, accessed 2026-09-13. https://www.bestbuy.com/product/cooler-master-v850-sfx-gold-full-modular-80-plus-gold-sfx-power-supply-sfx-120-v-ac-230-v-ac-input-5-v-dc-3-3-v/J3K4GJG6QP/sku/12568744
[^2]: Inception AI, accessed 2026-09-13. https://inceptionai.ca/en-CA/electronics-computers/computer-components/power-supply-units/modular-power-supply-units