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NATNO 90W 65W Power Supply Compatible with HP ProDesk vs be quiet! Pure Power 12 650W PSU | 80 Plus Gold |

Updated August 2026 — be quiet! Pure Power 12 650W PSU | 80 Plus Gold | leads on warranty and noise level.

The be quiet! Pure Power 12 650W is a superior choice for high-performance needs, while the NATNO power supply is a budget-friendly option for basic use.

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

Price

NATNO is significantly cheaper at $16.99.

Compatibility

Compatible with multiple HP models.

Size

Compact design suitable for mini desktops.

Why be quiet! Pure Power 12 650W PSU | 80 Plus Gold | is better

Power Output

650W output supports high-performance systems.

Efficiency

80 PLUS Gold rating with up to 92.7% efficiency.

Warranty

10-year warranty indicates reliability.

Overall score

NATNO 90W 65W Power Supply Compatible with HP ProDesk
45
be quiet! Pure Power 12 650W PSU | 80 Plus Gold |
85

Specifications

SpecNATNO 90W 65W Power Supply Compatible with HP ProDeskbe quiet! Pure Power 12 650W PSU | 80 Plus Gold |
BrandNATNObe quiet!
Output90W650W
EfficiencyN/A80 PLUS Gold
Noise LevelN/ASilent
WarrantyN/A10 years

Dimension comparison

NATNO 90W 65W Power Supply Compatible with HP ProDeskbe quiet! Pure Power 12 650W PSU | 80 Plus Gold |

Price Comparison

When it comes to pricing, the 90W 65W Power Supply is significantly cheaper than the be quiet! Pure Power 12 650W PSU. The former is priced at $16.99, while the latter costs $64.90. This means that the be quiet! unit is about 282% more expensive than the NATNO power supply. For budget-conscious users or those simply looking for a replacement power supply for compatible HP mini desktops, the NATNO option provides a highly economical choice.

Power Output and Efficiency

The be quiet! Pure Power 12 650W offers a robust 650W output, making it suitable for high-performance systems and gaming PCs. In contrast, the NATNO power supply provides a maximum output of 90W, which caters specifically to lower-powered devices like HP ProDesk and EliteDesk models. While the NATNO supply meets the needs of basic computing tasks, the higher wattage of the be quiet! unit allows it to support more demanding setups, thus appealing to gamers and professionals alike.

Compatibility

Compatibility is a significant factor when choosing a power supply, and here the NATNO power supply shines with its extensive range. It is specifically designed to work with multiple HP ProDesk, EliteDesk, and Omni models. Meanwhile, the be quiet! Pure Power 12 is versatile with its ATX 3.1 compliance and support for PCIe 5.1 graphics cards. This means it is future-proof and can accommodate the latest components. While the NATNO power supply is great for those with specific HP models, the be quiet! unit is ideal for users planning to upgrade to high-end gaming rigs.

Noise Levels

In terms of operational noise, the be quiet! Pure Power 12 is engineered for silence, featuring a temperature-controlled 120mm fan that minimizes noise while ensuring effective cooling. This is particularly advantageous for users who prioritize a quiet computing environment. On the other hand, the NATNO power supply does not mention noise levels, indicating it may not be optimized for silent operation. For those looking to build a quiet PC, the be quiet! unit stands out as the better choice.

Efficiency Ratings

The be quiet! Pure Power 12 is certified with an 80 PLUS Gold rating, boasting an efficiency of up to 92.7%. This translates to lower power consumption and reduced operational costs. In contrast, the NATNO power supply does not provide efficiency ratings, which may be a concern for users mindful of energy usage. The efficiency of the be quiet! unit not only ensures better performance but also contributes to a more eco-friendly operation, making it a strong contender for environmentally conscious consumers.

Warranty and Reliability

The be quiet! Pure Power 12 comes with a generous 10-year warranty, underscoring the manufacturer's confidence in its reliability and durability. On the other hand, the NATNO power supply does not specify any warranty period, which could be a drawback for potential buyers concerned about long-term reliability. A longer warranty often indicates higher quality in power supplies, and the assurance of support can be a deciding factor for many.

Installation and Cables

When it comes to installation, the be quiet! Pure Power 12 features fully sleeved and flat modular cables that simplify the setup process and enhance airflow within the case. This is especially beneficial for users looking to build a clean and efficient PC. The NATNO power supply, while compatible with various models, does not provide details about cable management features. For those who value aesthetics and airflow in their builds, the be quiet! unit offers a superior installation experience.

Which should you buy?

Choosing between the 90W 65W Power Supply and the be quiet! Pure Power 12 650W ultimately depends on your specific needs. If you are looking for an economical solution for HP mini desktops and do not require high power output, the NATNO power supply is an excellent choice at $16.99. However, if you are building a high-performance system and prioritize efficiency, quiet operation, and future-proofing with support for the latest graphics cards, the be quiet! unit, priced at $64.90, is well worth the investment.