
Top rated Power Supplies PC
Here’s a ranking of the top rated Power Supplies PC. To give you a quick overview, we’ve added the most important information about each product. This page always stays fresh and updates automatically.
1. be quiet! Pure Power 12 M
The Pure Power 12 M marks the beginning of the ATX 3.0 era for be quiet. This power supply series is fully equipped with cutting-edge technology such as LLC topology and features up to 5 PCIe connectors for both PCIe 5.0 GPUs and GPUs with PCIe 6+2 connectors. It also effortlessly handles load spikes that can be up to twice the rated power. This makes the Pure Power 12 M the perfect choice for anyone needing a high-performance power supply for their current or next-gen graphics card, while still preferring low operational noise. This product comes with an EU plug.

2. Corsair RM850x
The RMx power supply series from Corsair is characterised by extremely precise voltage regulation, quiet operation, Gold-certified efficiency and a fully modular cable set. Thanks to the exclusive use of Japanese 105-degree capacitors, these power supplies are ideal for high-performance PCs where reliability is essential. The 80 PLUS Gold efficiency reduces operating costs and excessive heat. Zero RPM fan mode ensures virtually silent operation at low and medium loads. And the fully modular DC cables make system builds and upgrades a breeze, with impressive results.

3. Corsair 850W GOLD FULLY MODULAR RM850X
The Corsair RM850x is a powerful and reliable PC power supply designed for demanding applications. With a total output of 850 watts, it provides ample power for high-performance components and ensures stable power delivery. The power supply is fully modular, meaning that only the necessary cables can be connected to minimize cable clutter in the case and improve airflow. The 80 PLUS Gold certification guarantees high energy efficiency, which not only reduces power consumption but also minimizes heat generation. The RM850x features an active cooling system that ensures quiet and effective cooling, even under heavy load. This power supply is ideal for PC builders and gamers who value quality and performance.
- Fully modular cable management for easy installation and optimal airflow
- 80 PLUS Gold certification for high energy efficiency
- Active cooling system with a fan for quiet operation
- Suitable for PC and server applications.

4. Corsair RM850x 850W Modulare 80+ Gold PFC Attivo ATX 3.1 " Renewed"
The Corsair RM850x is a powerful PC power supply with an output of 850 watts and an 80+ Gold certification, ensuring high energy efficiency. It features a semi-modular cable management system that allows for flexible and tidy installation by connecting only the necessary cables. The power supply's form factor is ATX, making it compatible with a wide range of PC cases. The RM850x is equipped with the latest PCIe 5.1 technology and offers a new 12V-2x6 connector optimized for modern graphics cards and other high-performance components. Active cooling ensures efficient heat dissipation, enhancing the longevity and stability of the power supply. This product is certified as "Renewed," meaning it has been tested for quality and performance to meet Corsair's high standards. The RM850x is an excellent choice for anyone seeking a reliable and powerful power supply for their PC building projects.

5. Corsair RM1000x
The RMx power supply series from Corsair is characterised by extremely precise voltage regulation, quiet operation, Gold-certified efficiency and a fully modular cable set. Thanks to the exclusive use of Japanese 105-degree capacitors, these power supplies are ideal for high-performance PCs where reliability is essential. The 80 PLUS Gold efficiency reduces operating costs and excessive heat. Zero RPM fan mode ensures virtually silent operation at low and medium loads. And the fully modular DC cables make system builds and upgrades a breeze, with impressive results.

6. Corsair 1000W GOLD FULLY MODULAR RM1000X
The Corsair RM1000x is a powerful, fully modular PC power supply that delivers a total output of 1000 watts. It is designed for use in ATX-compatible systems and supports a wide input voltage range of 100 to 240 V as well as a frequency of 47 to 63 Hz. With its 80 PLUS Gold certification, the RM1000x ensures high energy efficiency, contributing to reduced power consumption and heat generation. The power supply is equipped with a 24-pin ATX connector and offers a cable management solution that allows for easy installation and improved airflow within the case. Active cooling is supported by a single fan that provides quiet and effective heat dissipation. The Corsair RM1000x is therefore a reliable choice for high-performance PC systems that depend on efficiency and stability.
- Fully modular cable management for easy installation and customization
- 80 PLUS Gold certification for high energy efficiency
- Active cooling with a quiet fan
- Robust design with ATX form factor for versatile compatibility.

7. be quiet! Straight Power 12 Platinum
The Straight Power 12 Platinum sets standards for whisper-quiet systems without making any compromises in power supply. The 80 Plus Platinum certification demonstrates a focus on efficiency of up to 93.9% in the latest generation of the Straight Power series. All of this makes the Straight Power 12 series quieter than ever and the best choice for building new systems or upgrading existing ones. Straight Power 12 is the top choice among premium power supplies.

8. Thermaltake Smart RGB
Thermaltake, pioneers in integrating RGB lights into power supplies, have now launched the Smart RGB series featuring a pre-installed 256-color RGB fan hub and 15 selectable lighting modes. Available in capacities ranging from 500 W to 700 W and boasting an 80 PLUS Standard certification, along with high-quality components and a stylish design, the Smart RGB series leaves nothing to be desired.

9. be quiet! System Power 9
The System Power 9 700W CM is equipped with a temperature-controlled 120mm quality fan. It offers the well-known quiet operation of be quiet for cost-effective systems. The 80 PLUS Bronze certification is a convincing proof of the efficient and energy-saving operation of this power supply unit. With an efficiency of up to 89%, it represents a remarkable performance for a PSU in its class.
The System Power 9 700W CM provides a stable and reliable power supply for CPU and GPU. It features two independent 12V rails and supports graphics card configurations with four PCI-Express connectors. The DC/DC converter ensures strong voltage regulation—even under heavy cross-loads. This makes the power supply a reliable companion for the next generations of processors and graphics cards.
The high-quality, black-sheathed cables of the System Power 9 700W CM give any PC system an appealing appearance. Thanks to the semi-modular cable management, only the cables that are truly needed are used. Top component protection with comprehensive safety features, including OCP, OVP, OPP, OTP, UVP, and SCP, ensures uncompromisingly safe operation.

10. Corsair RM850 2021s
The 80 PLUS Gold certification of this power supply ensures that at 100% load, an efficiency of at least 88% is achieved. This means that only a small amount of the energy used is converted into heat, resulting in less heat generation, lower energy consumption, and consequently, reduced ventilation requirements.
