be quiet! Pure Power 12 650W PSU | 80 Plus Gold | vs Raspberry Pi 15W USB-C Power Supply US - Black
Updated August 2026 — be quiet! Pure Power 12 650W PSU | 80 Plus Gold | wins on warranty and power, Raspberry Pi 15W USB-C Power Supply US - Black wins on price and weight.
The be quiet! Pure Power 12 650W PSU is the superior choice for high-performance systems, while the Raspberry Pi 15W USB-C Power Supply is ideal for basic Raspberry Pi needs.
Why be quiet! Pure Power 12 650W PSU | 80 Plus Gold | is better
Power Output
650W vs 15W
Efficiency
80 PLUS Gold certification
Warranty
10-year warranty vs unspecified
Why Raspberry Pi 15W USB-C Power Supply US - Black is better
Price
$16.37 vs $64.90
Weight
3.84 ounces vs heavier PSU
Simplicity
Designed specifically for Raspberry Pi
Overall score
Specifications
| Spec | be quiet! Pure Power 12 650W PSU | 80 Plus Gold | | Raspberry Pi 15W USB-C Power Supply US - Black |
|---|---|---|
| Wattage | 650W | 15W |
| Efficiency Rating | 80 PLUS Gold | N/A |
| Fan Type | 120mm Silent | No Fan |
| Connector Type | PCIe 5.1 | USB-C |
| Weight | Unknown | 3.84 oz |
Dimension comparison
Overview
In this article, we will compare two distinct power supply options: the be quiet! Pure Power 12 650W PSU and the Raspberry Pi 15W USB-C Power Supply. The former is designed for high-performance systems, while the latter is tailored for the Raspberry Pi. Both serve unique purposes, so let's explore their features and suitability for different users.
Power and Performance
The be quiet! Pure Power 12 650W PSU offers a significant power output of 650W, making it ideal for demanding systems that require substantial energy, such as gaming PCs or workstations. This power supply is certified 80 PLUS Gold, ensuring up to 92.7% efficiency, which translates to lower energy consumption and heat production. In contrast, the Raspberry Pi 15W USB-C Power Supply provides a mere 15W of power, which is suitable for powering the Raspberry Pi 4 Model B. The difference in wattage is stark, with the be quiet! PSU providing a whopping 4,333% more power than the Raspberry Pi power supply, highlighting its capability for high-performance applications.
Efficiency and Cost
When it comes to cost, the be quiet! Pure Power 12 650W PSU is priced at $64.90, while the Raspberry Pi 15W USB-C Power Supply is significantly cheaper at $16.37. This makes the Raspberry Pi power supply about 75% less expensive than its counterpart. However, the higher initial investment in the be quiet! PSU is justified by its superior efficiency and performance, particularly in power-hungry systems. The long-term savings on electricity bills due to its 80 PLUS Gold certification could offset the higher upfront cost for users who require robust performance.
Design and Build Quality
The be quiet! Pure Power 12 650W PSU boasts a robust design with features such as a temperature-controlled 120mm fan that operates silently, ensuring a quiet computing environment. Its LLC topology enhances voltage regulation and efficiency, allowing for stable performance during peak loads. The fully sleeved and flat modular cables also contribute to improved airflow and easy installation. On the other hand, the Raspberry Pi 15W USB-C Power Supply, while functional, has a simpler design and is lightweight at just 3.84 ounces. It is primarily intended for ease of use with the Raspberry Pi, lacking the advanced features found in the be quiet! model.
Compatibility and Connectivity
Compatibility is a crucial factor when choosing a power supply. The be quiet! Pure Power 12 650W PSU supports both current and next-generation graphics cards with its native 12V-2x6 connector and two PCIe 6+2-pin connectors. This makes it a versatile choice for users looking to build or upgrade a high-performance system. In contrast, the Raspberry Pi 15W USB-C Power Supply is specifically designed for the Raspberry Pi 4 Model B, providing a DC output of 5.1V and 3A via a USB-C connector. If you are planning to use a Raspberry Pi, the dedicated power supply is the ideal choice, but it would not serve well in more demanding applications.
Noise Levels
Noise levels can significantly impact the user experience, particularly in quiet environments. The be quiet! Pure Power 12 650W PSU is engineered for silent operation, thanks to its specially designed 120mm fan that minimizes turbulence and noise during operation. This makes it suitable for systems where silence is paramount, such as home theaters or quiet workstations. Conversely, the Raspberry Pi 15W USB-C Power Supply operates without a fan, resulting in silent operation as well, but it does not offer the same cooling performance or reliability under heavy loads as the be quiet! PSU.
Warranty and Support
The be quiet! Pure Power 12 650W PSU comes with a generous 10-year warranty, which speaks to the manufacturer's confidence in its durability and performance. This long warranty period is an essential consideration for users investing in high-end components. The Raspberry Pi 15W USB-C Power Supply does not specify a warranty period in the available data, which could be a drawback for users who prioritize long-term reliability. A longer warranty often provides peace of mind, especially for those investing in more expensive hardware.
Which should you buy?
Ultimately, the choice between the be quiet! Pure Power 12 650W PSU and the Raspberry Pi 15W USB-C Power Supply boils down to your specific needs. If you require a high-performance power supply for a gaming rig or workstation, the be quiet! model is the clear winner, offering superior power, efficiency, and silent operation. Its initial cost is higher at $64.90, but its long-term benefits justify the investment. On the other hand, if your goal is to power a Raspberry Pi 4 Model B, the Raspberry Pi power supply at $16.37 is tailored for that purpose, providing sufficient power at a fraction of the cost.

