ASRock PRO-650G Power Supply - 650W 80 Plus Gold vs Ｒ∞ＲａｓＴｅｃｈ RasTech for Raspberry Pi 5 GaN PD 27W Power Supply

Overview

When it comes to power supplies, the ASRock PRO-650G and the RasTech for Raspberry Pi 5 cater to different needs and user bases. The ASRock PRO-650G is designed for mid-range gaming and productivity systems, while the RasTech power supply is tailored specifically for Raspberry Pi 5 users. The ASRock model is priced at $49.99, making it a more significant investment compared to the RasTech’s budget-friendly price of $12.99.

Power Output

The ASRock PRO-650G provides a robust power output of 650 watts, making it suitable for high-performance setups. This power supply can deliver a stable 54.1A on the +12V rail, ensuring reliable power delivery to demanding components like CPUs and graphics cards. In contrast, the RasTech power supply is rated at 27 watts, offering 5.1V and 5A output, which is adequate for powering Raspberry Pi 5 models with 16GB, 8GB, 4GB, or 2GB of RAM. While the ASRock's higher wattage caters to more complex systems, the RasTech is specifically optimized for the needs of Raspberry Pi users.

Efficiency Ratings

The ASRock PRO-650G boasts an 80 PLUS Gold certification, which indicates it can achieve up to 90% energy efficiency. This high efficiency translates to lower power consumption and heat output, making it a cost-effective solution in the long run. On the other hand, the RasTech power supply does not specify an efficiency rating, but its design aims to meet the power needs of Raspberry Pi 5 without causing voltage drops during full load operation. For users concerned about energy costs and performance sustainability, the ASRock’s efficiency rating stands out.

Build Quality and Design

In terms of build quality, the ASRock PRO-650G features all-Taiwanese capacitors, which are known for their durability and longevity. It also incorporates a quiet 120mm fan for effective cooling while maintaining low noise levels. The flat cable design enhances airflow and simplifies cable management in PC cases. Conversely, the RasTech power supply utilizes a GaN (Gallium Nitride) design, which allows for a compact size while delivering high performance. It includes a six-layer protection function, ensuring safety against various electrical issues. While both products focus on durability and performance, the ASRock’s design elements cater to PC builders, whereas the RasTech emphasizes compactness and safety for Raspberry Pi applications.

Compatibility

The ASRock PRO-650G is ATX 3.1 ready, making it compatible with modern and next-generation components, fitting most standard PC cases. This flexibility is ideal for gamers and productivity users looking to upgrade their systems without worrying about compatibility issues. On the other hand, the RasTech power supply is specifically designed for Raspberry Pi 5, which means it is tailored to meet the unique power requirements of the Raspberry Pi ecosystem. Users must consider their specific needs; if you're building a versatile PC, the ASRock is the clear choice, while Raspberry Pi users will find the RasTech model more fitting.

Price Comparison

The ASRock PRO-650G retails for $49.99, which positions it as a mid-range power supply within its category. In contrast, the RasTech power supply is significantly cheaper at $12.99, making it about 74% less expensive than the ASRock. This price difference reflects the distinct target audiences of each product: the ASRock is built for more complex systems requiring higher power output, while the RasTech serves the budget-conscious Raspberry Pi user.

Warranty and Support

The ASRock PRO-650G comes with a 3-year warranty, providing peace of mind for users who invest in their power supply. This warranty indicates the manufacturer's confidence in the product's durability and reliability. While the RasTech power supply does not explicitly mention a warranty duration, it's essential for consumers to verify this for peace of mind, especially when choosing budget products. The ASRock's dedicated support through Amazon also offers an additional layer of customer service, which may be beneficial for those who anticipate needing assistance.

Which should you buy?

Choosing between the ASRock PRO-650G and the RasTech for Raspberry Pi 5 ultimately depends on your specific needs. If you require a power supply for a mid-range gaming or productivity setup, the ASRock PRO-650G offers superior power output, efficiency, and build quality, justifying its higher price at $49.99. However, if your focus is solely on powering a Raspberry Pi 5, the RasTech power supply at $12.99 provides adequate power at a fraction of the cost. Therefore, consider your system requirements and budget carefully before making a decision.