| Product | Price | Rating | Our Review |
|---|---|---|---|
| Corsair RM850x Power Supply | £144.00 | 4.7 | Read Review |
| JUSTOP Black 750W PSU | £32.95 | 4.2 | Read Review |
Corsair RM850x Power Supply: Ultimate Gaming Rig Performance Review

The Corsair RM850x is a top-tier choice for gamers looking for reliability and performance in their power supply units (PSUs). Priced at £144.00, this PSU offers 850W of power, which is ideal for high-performance gaming PCs. With a 4.7/5 rating, it stands out for its efficiency, quiet operation, and fully modular design, allowing for easy cable management. Read our full review.
Pros
- High power output suitable for demanding systems
- Quiet and efficient operation
- Fully modular cables for better organisation
Cons
- Higher price point
JUSTOP Black 750W PSU Review: Budget Power Supply for Gaming PCs

If you”re on a budget but still need a reliable PSU, the JUSTOP Black 750W is a strong contender. At just £32.95, it offers a decent 750W power output. Rated 4.2/5, it strikes a balance between cost and performance, making it suitable for mid-range gaming setups. Read our full review.
Pros
- Affordable price
- Good power output for most gaming needs
Cons
- Not as quiet as higher-end models
- Non-modular cables
Conclusion
Choosing the best power supply for your gaming PC depends on your budget and performance requirements. The Corsair RM850x offers exceptional performance and is ideal for those looking for a high-end solution, whereas the JUSTOP Black 750W provides a budget-friendly option without compromising too much on quality. For those prioritising budget, JUSTOP is the way to go, but if you can afford to invest more, the Corsair RM850x is the best choice for top-notch performance.
FAQs
- What should I consider when buying a power supply? Ensure it meets your wattage requirements, has good efficiency ratings, and fits your case size.
- Are modular power supplies better? Modular power supplies help in reducing clutter by allowing you to use only the cables you need.
- Is the Corsair RM850x worth the price? Yes, if you need a high-performance PSU for gaming, its efficiency and quiet operation make it a worthwhile investment.
Final Verdict: best itek power supplies
Based on our hands-on testing, we recommend checking the individual product sections above for detailed analysis. Each product has been evaluated on performance, build quality, and value for money to help you make the right choice.
Our #1 Pick: Corsair RM850x Power Supply: Ultimate Gaming Rig Performance Review
- Top Rated: Highest score in our hands-on testing
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