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NATNO 90W 65W Power Supply Compatible with HP ProDesk vs Auotac 850W Fully Modular Power Supply, 80+ Gold

Updated August 2026 — NATNO 90W 65W Power Supply Compatible with HP ProDesk wins on compatibility, Auotac 850W Fully Modular Power Supply, 80+ Gold wins on warranty and modularity.

The Auotac 850W offers superior performance and efficiency, making it the better choice for high-performance systems. The 90W power supply is suitable for basic needs.

Why NATNO 90W 65W Power Supply Compatible with HP ProDesk is better

Price

Lower cost at $16.99

Compatibility

Compatible with various HP Mini PCs

Simplicity

Easy plug-and-play setup

Why Auotac 850W Fully Modular Power Supply, 80+ Gold is better

Power Output

850W output for high-performance systems

Efficiency

80 PLUS Gold certification with 92% efficiency

Modularity

Fully modular design for better cable management

Overall score

NATNO 90W 65W Power Supply Compatible with HP ProDesk
55
Auotac 850W Fully Modular Power Supply, 80+ Gold
85

Specifications

SpecNATNO 90W 65W Power Supply Compatible with HP ProDeskAuotac 850W Fully Modular Power Supply, 80+ Gold
Output90W850W
CertificationN/A80 PLUS Gold
Connector TypeStandard12V-2x6
Fan SizeN/A140mm
CapacitorsStandardJapanese 105°C

Dimension comparison

NATNO 90W 65W Power Supply Compatible with HP ProDeskAuotac 850W Fully Modular Power Supply, 80+ Gold

Overview of the Products

In this comparison, we pit the 90W 65W Power Supply Compatible with HP ProDesk against the Auotac 850W Fully Modular Power Supply. Each power supply serves different needs and audiences, with the former priced at $16.99 and the latter at $79.99. The significant price difference of about 370% reflects the varying capabilities and target users of these products.

The 90W power supply is designed specifically for HP Mini PCs and all-in-ones, while the Auotac 850W is aimed at high-performance gaming rigs and workstations. Understanding the distinct advantages of each can help potential buyers make an informed decision based on their specific requirements.

Compatibility and Target Audience

The 90W power supply is tailored for a range of HP models, including the ProDesk 600 and EliteDesk 800 series. Its compatibility with various HP Mini PCs illustrates its niche appeal for users seeking a reliable replacement for their existing power adapters. This model is particularly beneficial for those who own older HP devices and require a straightforward power solution.

In contrast, the Auotac 850W is built for gamers and professionals who need a robust power supply capable of supporting high-end components. With support for ATX 3.1 and PCIe 5.1, it caters to users who regularly upgrade their systems with powerful GPUs and additional hardware. This makes it ideal for users looking to build or expand a gaming or workstation setup.

Power Output and Efficiency

The 90W power supply delivers a nominal output of 90W at 19V and is also compatible with lower requirements of 65W. This makes it suitable for basic computing tasks but may not suffice for gaming or intensive applications. The power supply's efficiency meets general needs but lacks the advanced features found in higher-rated supplies.

On the other hand, the Auotac 850W boasts an 80 PLUS Gold certification, indicating an efficiency rate of 92%. This high level of efficiency is critical for users who want to minimize energy consumption and maximize performance, especially in demanding environments. Hence, in terms of power output and efficiency, the Auotac clearly stands out.

Design and Modularity

The 90W power supply features a straightforward design focused on function. It is an essential plug-and-play component that does not require extensive setup or cable management. However, its lack of modularity can lead to extra cables cluttering the workspace, which might be a concern for some users.

In contrast, the Auotac 850W is fully modular, allowing users to connect only the cables they need. This design reduces cable clutter and enhances airflow, optimizing overall system performance. Moreover, its 140mm low-noise RGB fan not only adds aesthetic appeal but also contributes to quiet operation, making it suitable for environments where noise levels are a consideration.

Durability and Components

The 90W power supply, while functional, does not highlight advanced durability features in its specifications. Users may find it satisfactory for basic use, but it lacks the robust construction and longevity associated with high-performance components.

Conversely, the Auotac 850W is designed with durability in mind, featuring 105°C-rated Japanese capacitors. These components ensure a higher reliability level, making it capable of withstanding the rigorous demands often placed on high-performance systems. The inclusion of a 10-year limited warranty further underscores the manufacturer's confidence in the product's longevity.

Price Point and Value

The 90W power supply costs $16.99, making it an enticing option for budget-conscious consumers or those with minimal power needs. This lower price point is appealing, but it's essential to consider whether the product will meet the performance requirements of potential users.

In stark contrast, the Auotac 850W is priced at $79.99. While this is significantly higher—about 370% more—it reflects the advanced features, efficiency, and power output it offers. For users building high-performance systems, this investment is likely justified, as it can enhance the lifespan and reliability of their setups.

User Experience and Support

The 90W power supply is positioned for users who might not need extensive technical knowledge to set up their systems. Its compatibility with various HP models means that many users will find it easy to replace their existing units without hassle.

On the other hand, the Auotac 850W is designed for a more technical audience, offering features like a PSU tester and cable management tools. These additions are particularly beneficial for gamers and PC builders who value performance and aesthetics. The detailed design and support materials enhance the user experience, making it a more comprehensive solution for advanced setups.

Which should you buy?

Choosing between the 90W 65W Power Supply and the Auotac 850W Fully Modular Power Supply depends primarily on your needs. If you require a simple, cost-effective power solution for an HP Mini PC, the 90W power supply is an excellent choice at $16.99. However, if you're looking to build or upgrade a high-performance gaming or workstation PC, the Auotac 850W, despite its higher price of $79.99, provides superior efficiency, modularity, and reliability. Your decision should ultimately reflect your system's requirements and your budget.