Raspberry Pi 27W USB-C Power Supply vs Thermaltake Toughpower GT 850W ATX 3.1 Standard
Updated August 2026 — Thermaltake Toughpower GT 850W ATX 3.1 Standard leads on warranty and modularity.
The Raspberry Pi power supply is ideal for basic needs, while the Thermaltake unit excels in performance and efficiency for high-end systems.
Why Raspberry Pi 27W USB-C Power Supply is better
Price
More affordable option at $19.99
Simplicity
Designed specifically for Raspberry Pi devices
Size
Compact design for basic setups
Why Thermaltake Toughpower GT 850W ATX 3.1 Standard is better
Power Output
850W capacity for demanding systems
Efficiency
80 PLUS Gold rating for lower energy consumption
Features
Smart Zero Fan technology for quieter operation
Overall score
Specifications
| Spec | Raspberry Pi 27W USB-C Power Supply | Thermaltake Toughpower GT 850W ATX 3.1 Standard |
|---|---|---|
| Input Voltage | 100-240V | 100-240V |
| Output Voltage | 5.1V | 12V |
| Modular Design | No | Yes |
| Fan Technology | None | Smart Zero Fan |
| PCIe Support | No | Yes |
Dimension comparison
Overview of the Raspberry Pi 27W USB-C Power Supply
The Raspberry Pi 27W USB-C Power Supply is designed specifically for Raspberry Pi devices, providing a stable and efficient power source. Priced at $19.99, it is an economical choice for users looking to power their Raspberry Pi setups. The power supply delivers an output voltage of 5.1V and an output current of 5.0A, making it suitable for various Raspberry Pi models. The input voltage range of 100 - 240V allows for worldwide compatibility, making it a versatile option for users across different regions.
Overview of the Thermaltake Toughpower GT 850W
In contrast, the Thermaltake Toughpower GT 850W is a high-performance power supply targeted at gamers and PC builders. Priced at $95.52, it is significantly more expensive than the Raspberry Pi power supply, reflecting its advanced capabilities. This unit supports ATX 3.1 standards and features an impressive 80 PLUS Gold efficiency rating, ensuring reduced energy consumption and heat output. With its native PCIe 5.1 connector, it is optimized for modern graphics cards, making it an ideal choice for high-end gaming rigs.
Power Output Comparison
The Raspberry Pi 27W USB-C Power Supply offers an output power of 25.5W, which is sufficient for Raspberry Pi applications. However, this output is relatively minimal compared to the Thermaltake Toughpower GT 850W's capacity of 850W. The Toughpower GT is designed to handle demanding components in gaming systems, providing high amperage and stable power delivery. While the Raspberry Pi power supply is perfect for basic tasks, the Thermaltake model caters to users requiring substantial power for high-performance computing.
Efficiency and Performance
Efficiency is a critical aspect when considering power supplies, and the Thermaltake Toughpower GT truly excels here with its 80 PLUS Gold rating. This certification indicates that the power supply can achieve up to 90% efficiency, which ultimately leads to lower electricity bills and decreased heat output. In contrast, the Raspberry Pi power supply does not have an efficiency rating mentioned, which may imply it is less optimized in comparison. For users concerned about energy consumption, the Thermaltake unit’s efficiency makes it a more appealing choice.
Design and Features
The Raspberry Pi 27W USB-C Power Supply features a simple and functional design aimed at ease of use, while the Thermaltake Toughpower GT has a fully modular design that includes low-profile flat black cables. This design not only enhances the aesthetic appeal of a PC build but also improves airflow and cable management within the case. Additionally, the Toughpower GT incorporates Smart Zero Fan technology, which reduces noise during low-load operations, a feature that is absent in the Raspberry Pi power supply. Users seeking a quieter environment may find this feature particularly beneficial.
Compatibility
Compatibility is a significant factor when selecting a power supply. The Raspberry Pi 27W USB-C Power Supply is specifically tailored for Raspberry Pi devices, ensuring seamless operation with these models. On the other hand, the Thermaltake Toughpower GT 850W is built to support a wide range of modern components, including GPUs that require PCIe 5.1 connectivity. This versatility makes it suitable for various builds, from gaming to workstation setups. If you are looking for a power supply that can adapt to future upgrades and high-performance needs, the Thermaltake model is more appropriate.
Price Comparison
The Raspberry Pi 27W USB-C Power Supply is priced at $19.99, making it an economical option for users with basic power needs. In contrast, the Thermaltake Toughpower GT 850W is available for $95.52, which is approximately 378% more expensive than the Raspberry Pi power supply. While the price difference is substantial, it reflects the capabilities and features of each model. Users must consider their specific power requirements and whether the additional investment in the Thermaltake unit aligns with their needs.
Which should you buy?
The choice between the Raspberry Pi 27W USB-C Power Supply and the Thermaltake Toughpower GT 850W ultimately depends on your specific requirements. If you need a power supply for a Raspberry Pi setup, the Raspberry Pi model is a cost-effective and efficient option. However, if you are building a high-performance gaming PC or workstation, the Thermaltake Toughpower GT offers superior power output, efficiency, and features that cater to demanding hardware. Assess your power needs and budget carefully to make the best decision for your setup.

