Raspberry Pi 27W USB-C Power Supply vs Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1
Updated August 2026 — Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 leads on modularity and warranty.
The Rosewill VSB 650W 80+ Bronze offers superior power output and features, making it the better choice for high-performance systems. The Raspberry Pi power supply is ideal for budget-conscious users with basic needs.
Why Raspberry Pi 27W USB-C Power Supply is better
Price
Raspberry Pi power supply is significantly cheaper.
Size
Compact design suitable for Raspberry Pi projects.
Simplicity
Straightforward usage for basic applications.
Why Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 is better
Power Output
Rosewill provides 650W compared to 25.5W.
Efficiency
Rosewill is 80 Plus Bronze certified.
Warranty
Rosewill offers a 5-year warranty.
Overall score
Specifications
| Spec | Raspberry Pi 27W USB-C Power Supply | Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 |
|---|---|---|
| Input Voltage | 100-240V | N/A |
| Output Current | 5.0A | N/A |
| Modularity | Non-Modular | Semi-Modular |
| Cooling | Basic | ICB Fan |
| Compatibility | Raspberry Pi | ATX 3.0/3.1 |
Dimension comparison
Overview of the Raspberry Pi 27W USB-C Power Supply and Rosewill VSB 650W 80+ Bronze
The Raspberry Pi 27W USB-C Power Supply is designed specifically for Raspberry Pi devices, while the Rosewill VSB 650W 80+ Bronze caters to a broader audience with its power requirements for desktop computers. The Raspberry Pi power supply is priced at $19.99, making it a budget-friendly option for Raspberry Pi users. In contrast, the Rosewill power supply is priced at $49.98, which is about 150% more expensive. This price difference reflects the varying use cases and power capacities of both products.
Design and Build Quality
The Raspberry Pi 27W USB-C Power Supply features a straightforward design with an input voltage range of 100-240 V a.c. and a compact form factor suited for Raspberry Pi setups. Its output provides 5.1V at 5.0A, which is adequate for powering Raspberry Pi devices. On the other hand, the Rosewill VSB 650W 80+ Bronze has a more robust build, featuring a semi-modular design and a steel shell that enhances durability and performance. It includes a 120mm ICB silent fan for optimal thermal control, which is crucial for high-performance desktops. The difference in design reflects their intended usage: one is for compact Raspberry Pi projects, while the other is for larger, more complex systems.
Power Output and Efficiency
The Raspberry Pi 27W USB-C Power Supply delivers a maximum output power of 25.5W, which is sufficient for powering Raspberry Pi models and their peripherals. In contrast, the Rosewill VSB 650W 80+ Bronze provides a substantial 650W output, making it suitable for high-performance gaming rigs and workstations. This power supply is also 80 Plus Bronze certified, indicating improved energy efficiency compared to standard models. The significant difference in power output highlights the Raspberry Pi power supply's niche market versus the more versatile capabilities of the Rosewill unit.
Compatibility and Use Cases
The Raspberry Pi 27W USB-C Power Supply is specifically designed for Raspberry Pi devices, ensuring compatibility and optimal performance. It is ideal for hobbyists and educators who require a reliable power source for their projects. Conversely, the Rosewill VSB 650W 80+ Bronze is ATX 3.0 and 3.1 compatible, making it suitable for a wide range of desktop builds. It includes a native PCIe 5.1 cable for next-generation graphics cards, making it a solid choice for gamers and professionals who demand high performance. This versatility allows the Rosewill power supply to cater to a broader audience compared to the Raspberry Pi model.
Thermal Management
Thermal management is crucial for maintaining performance and longevity in power supplies. The Raspberry Pi 27W USB-C Power Supply is designed with basic thermal considerations, suitable for low-power applications. However, the Rosewill VSB 650W 80+ Bronze takes thermal management to the next level with its optimized design, featuring large vents and a silent 120mm ICB fan. This setup enhances cooling performance, allowing it to handle high loads without overheating. The Rosewill unit’s advanced thermal control is a significant advantage for users who plan to push their systems to the limit.
Warranty and Support
The Raspberry Pi 27W USB-C Power Supply does not explicitly mention a warranty, which could be a concern for some buyers looking for reassurance. In contrast, the Rosewill VSB 650W 80+ Bronze comes with a generous five-year warranty, offering peace of mind for users investing in a more expensive power supply. This warranty reflects the brand's confidence in the product's reliability and durability, making it a more attractive option for users who prioritize long-term investment in their hardware.
Pricing and Value
In terms of pricing, the Raspberry Pi 27W USB-C Power Supply is priced at $19.99, which is appealing for budget-conscious consumers or those needing a simple power solution. The Rosewill VSB 650W 80+ Bronze, at $49.98, is about 150% more expensive, but it justifies this price with its higher power output, efficiency, and feature set. For users who need a robust power supply for complex systems, the Rosewill offers greater value despite its higher initial cost. The difference in pricing reflects the products' target markets and the value they provide to their respective users.
Which should you buy?
Choosing between the Raspberry Pi 27W USB-C Power Supply and the Rosewill VSB 650W 80+ Bronze depends largely on your specific needs. If you are a Raspberry Pi user seeking an affordable and reliable power source, the Raspberry Pi power supply is an excellent choice at $19.99. However, if you require a high-performance power supply for a desktop build, the Rosewill model, priced at $49.98, offers superior power output, efficiency, and advanced features. Ultimately, your decision should be guided by your power requirements and intended usage.

