NATNO 90W 65W Power Supply Compatible with HP ProDesk vs R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply
Updated August 2026 — NATNO 90W 65W Power Supply Compatible with HP ProDesk wins on power and compatibility, R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply wins on size and weight.
The 90W 65W Power Supply excels in compatibility and power output, while the RasTech is a budget-friendly option for Raspberry Pi users.
Why NATNO 90W 65W Power Supply Compatible with HP ProDesk is better
Power Output
90W output compared to 27W
Compatibility
Supports multiple HP models
Brand Reputation
NATNO known for reliability
Why R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply is better
Price
Cheaper at $12.99
Size
More compact for portability
Specialization
Designed specifically for Raspberry Pi 5
Overall score
Specifications
| Spec | NATNO 90W 65W Power Supply Compatible with HP ProDesk | R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply |
|---|---|---|
| Output Voltage | 19V | 5.1V |
| Input Voltage | 100-240V | 100-240V |
| Protection | Standard | 6-layer |
| Cable Length | Not specified | 1.3m |
| Use Case | HP Desktops | Raspberry Pi |
Dimension comparison
Overview of the Products
When comparing power supplies, it's crucial to consider compatibility and performance. The 90W 65W Power Supply is designed specifically for various HP ProDesk and EliteDesk models, while the RasTech for Raspberry Pi 5 is tailored for Raspberry Pi devices. Both products cater to different user needs, making them suitable for distinct applications.
The 90W 65W Power Supply is priced at $16.99, making it a solid choice for those with HP mini desktops. On the other hand, the RasTech power supply retails for $12.99, offering a more economical option for Raspberry Pi users. The price difference of about $4 highlights the varying target markets these power supplies serve.
Compatibility
Compatibility is a key factor when selecting a power supply, and these two products excel in very different areas. The 90W 65W Power Supply is compatible with a wide range of HP ProDesk and EliteDesk models, including the ProDesk 600 series and EliteDesk 800 series. This versatility makes it an excellent choice for users with specific HP desktop needs.
Conversely, the RasTech for Raspberry Pi 5 caters exclusively to Raspberry Pi 5 models, including all variations such as the 16GB, 8GB, 4GB, and 2GB options. While the RasTech power supply may not offer the same breadth of compatibility as the NATNO model, it is engineered specifically for Pi 5, ensuring optimal performance for these devices.
Power Output
Power output is a significant consideration, especially for users running demanding applications. The 90W 65W Power Supply provides an output of 90W at 19V and is also compatible with 65W at 19.5V. This high-output capability is beneficial for users requiring substantial power for their HP desktops.
In comparison, the RasTech for Raspberry Pi 5 offers an output of 5.1V at 5A, equating to 27W. This output is sufficient for powering Raspberry Pi 5 and its peripherals, particularly given the Pi's lower power requirements. However, the 90W output of the NATNO supply far exceeds the needs of the RasTech, highlighting the different use cases for these devices.
Build Quality
Build quality is essential for ensuring safety and longevity in power supplies. The 90W 65W Power Supply features a robust design that is compatible with multiple HP models, indicating a focus on durability and reliability. While there is no specific mention of its material composition or construction, the wide-ranging compatibility suggests a well-engineered product.
On the other hand, the RasTech for Raspberry Pi 5 boasts a six-layer protection function. This includes over-power, over-current, short-circuit, over-voltage, low-voltage, and electrostatic protection. These features enhance its reliability, especially when powering sensitive devices like the Raspberry Pi. The emphasis on safety and protection mechanisms makes it a trustworthy choice for users concerned about potential electrical issues.
Size and Portability
In terms of size and portability, both products cater to their respective user bases effectively. The 90W 65W Power Supply is designed for use with desktop systems, which typically require a stationary setup. Its larger size is consistent with desktop power supplies, making it less portable.
Conversely, the RasTech for Raspberry Pi 5 is a compact power supply with a cable length of 1.3 meters, making it suitable for various setups, including those requiring mobility. Users who need a power supply for a Raspberry Pi project on the go will find this aspect particularly advantageous, as it can easily fit into a laptop bag or small storage.
Price Comparison
Price is always a significant factor when choosing between products. The 90W 65W Power Supply is priced at $16.99, while the RasTech for Raspberry Pi 5 is more budget-friendly at $12.99. This price difference of about 17% indicates that the RasTech power supply is the more economical option for users specifically needing a power source for Raspberry Pi devices.
However, it is essential to consider the value each product provides. While the RasTech may be cheaper, the 90W 65W Power Supply offers higher wattage and broader compatibility, making it a valuable investment for users with HP mini desktops.
User Reviews and Reputation
Although specific sales ranks and user reviews are not provided in the data, the general reputation of brands can influence purchasing decisions. The NATNO brand, associated with the 90W 65W Power Supply, is known for producing reliable power solutions for HP devices. This reputation may attract users looking for dependable performance in their desktop setups.
In contrast, RasTech, associated with the Raspberry Pi community, is recognized for its innovative solutions tailored to specific devices. This may appeal to tech enthusiasts and hobbyists who prioritize compatibility and efficiency in their projects. Each product brings its unique reputation to the table, affecting potential buyers' choices.
Which should you buy?
Choosing between the 90W 65W Power Supply and the RasTech for Raspberry Pi 5 ultimately depends on your specific needs. If you require a power supply for HP mini desktops and prioritize output and compatibility, the 90W 65W Power Supply is the clear choice at $16.99. Conversely, if you are seeking a budget-friendly option specifically for a Raspberry Pi 5 setup, the RasTech power supply at $12.99 offers excellent value and sufficient power for your needs.
Consider your device requirements, budget constraints, and the intended use to make an informed decision that best fits your power supply needs.

