What is the best PSU for your PC in 2025?
The best PSU in 2025 depends on your configuration: for high-end gaming, the Corsair AX1600i (1600W, 80 PLUS Titanium) leads; for mid-range, the Corsair RM750x (750W, 80 PLUS Gold) offers the best price-performance ratio; and for tight budgets, the Corsair CV550 (550W, 80 PLUS Bronze) is reliable.
The power supply unit (PSU) is the heart of your PC, delivering stable power to each component. A bad choice can cause failures, reduced performance or damage your hardware. In 2025, with advances in energy efficiency and sustainability, choosing a reliable PSU is more important than ever. In this PSU Tier List 2025, we help you find the best option for gaming, work or entry-level PCs, based on efficiency, durability and wattage needs.
Wattage Calculator for your PSU in 2025
Use our calculator to estimate how many watts your PC needs and find the ideal power supply.
Wattage calculator for your PC
Select your components to calculate how many watts your PC needs and which PSU we recommend.
What does PSU stand for? Explanation of the acronym
PSU stands for Power Supply Unit (Power Supply Unit, or simply power supply). It is the component that converts alternating current into direct current to power your PC, ensuring stability and protection for your components such as the GPU and CPU.
Why do you need an updated PSU Tier List?
In a market in constant evolution, many PSU lists are outdated, ignoring new models or advances in efficiency (e.g. 80 PLUS Titanium certifications). A 2025 power supply tier list ensures you:
- Energy efficiency: Less waste and heat, ideal for modern GPUs like RTX 4080 or RX 7900 XTX.
- Stability: Stable voltages to protect your CPU and GPU.
- Protection: Against overloads, short circuits and voltage spikes.
Power Sources Tier List 2025: Best Options by Category
High-End: Maximum performance for gaming and heavy work
| Model | Wattage | Certification | Strengths | Approx. Price (USD) |
|---|---|---|---|---|
| Corsair AX1600i | 1600W | 80 PLUS Titanium | Digital monitoring, ideal for overclocking | $500 |
| Seasonic Prime TX-1000 | 1000W | 80 PLUS Titanium | Silent, 12 year warranty | $280 |
| Super Flower Leadex Platinum | 1200W | 80 PLUS Platinum | High energy demand | $300 |
| ASUS ROG Thor 1200W Platinum | 1200W | 80 PLUS Platinum | OLED display, premium design | $350 |
Recommendation:The Corsair AX1600i is best for extreme setups (e.g. RTX 4090 or multi-card), while the Seasonic Prime TX-1000 is ideal if you're looking for maximum durability.
Mid-Range: Price-performance balance for gaming and work
| Model | Wattage | Certification | Strengths | Approx. Price (USD) |
|---|---|---|---|---|
| Corsair RM750x (2021) | 750W | 80 PLUS Gold | Silent, ideal for gaming | $120 |
| Seasonic Focus GX-850 | 850W | 80 PLUS Gold | Stability, complete modularity | $140 |
| EVGA SuperNOVA G6 650W | 650W | 80 PLUS Gold | Compact, reliable | $110 |
| MSI MPG A750GF | 750W | 80 PLUS Gold | Optimized for gaming | $115 |
Recommendation:The Corsair RM750x is perfect for gamers with GPUs like the RTX 4060 Ti or RX 7700 XT, while the Seasonic Focus GX-850 is better for setups with room to expand.
Budget Options: Basic quality for entry-level PCs
| Model | Wattage | Certification | Strengths | Approx. Price (USD) |
|---|---|---|---|---|
| Corsair CV550 | 550W | 80 PLUS Bronze | Economical, reliable | $50 |
| EVGA 600 W1 | 600W | Not certified | Basic, for simple PCs | $40 |
| Thermaltake Smart 500W | 500W | 80 PLUS Bronze | Functional, low budget | $45 |
Recommendation: The Corsair CV550 is the best budget option for entry-level PCs (e.g. with RX 580 or GTX 1650), offering Bronze certification at a good price.
Brands and models to avoid
| Brand/Model | Main problems |
|---|---|
| K-MEX | Inefficient, without certifications |
| Sentey (economic) | Frequent failures, low durability |
| Coolmax | Low quality, unstable components |
| Logisys | Without basic protections, high risk |
Criteria for choosing the best PSU in 2025
- Wattage: Calculate your consumption with the tool at the beginning. Example: RTX 4060 Ti + Ryzen 5 5600X need ~450W, so a 650W PSU is ideal.
- Certification 80 PLUS: Gold for most, Platinum/Titanium for enthusiasts.
- Durability: Prioritize brands like Seasonic, Corsair, EVGA with Japanese capacitors and long warranties (10-12 years).
- Protections: Look for PSUs with OCP, OPP, OVP to protect your hardware.
Conclusion: Which is the best PSU for you in 2025?
For gamers, the Corsair RM750x (750W, $120) is the best option for its price-performance ratio. For enthusiasts, the Corsair AX1600i (1600W, $500) leads in power and efficiency. If you have a tight budget, the Corsair CV550 (550W, $50) is reliable. Choose according to your needs and ensure the stability of your PC with a reliable PSU.
FAQs about PSU in 2025
PSU stands for Power Supply Unit (Power Supply Unit). It is the power source that provides stable power to your PC.
The Corsair RM750x (750W, 80 PLUS Gold) is ideal for gaming due to its price-performance balance, perfect for GPUs such as the RTX 4060 Ti or RX 7700 XT.
80 PLUS Gold is sufficient for most users; Platinum or Titanium are ideal for high-end or enthusiast setups.
It depends on your setup. A PC with RTX 4060 Ti and Ryzen 5 5600X needs ~450W, so a 650W PSU is ideal. Use our calculator to estimate.
Avoid brands like K-MEX, Sentey (budget lines), Coolmax and Logisys due to their low quality and lack of protection.
An 850W-1000W 80 PLUS Platinum certified PSU, such as the Seasonic Prime TX-1000, is ideal for an RTX 4090.
Best PC Cases in 2025
What is CPU-Z and how to use it?
Best graphics cards for crypto mining in 2025
How to Undervolt a GPU
Amazon in Argentina: Is it worth buying in 2025?
How to choose a graphics card in 2025: Complete guide
AMD's Big Opportunity in 2025: Can It Capitalize on NVIDIA's Slip?
What's going on with Nvidia? RTX 50 series issues and the future of GPUs
