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POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 vs Segotep 650W 80 Plus Gold Certified Non-Modular

Updated August 2026 — POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 wins on compatibility and installation, Segotep 650W 80 Plus Gold Certified Non-Modular wins on cooling and efficiency.

The POINWER H240AS-01 is a budget-friendly option for Dell Optiplex systems, while the Segotep 650W offers superior power capacity and efficiency. Choose based on your specific needs.

Why POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 is better

Price

POINWER is significantly cheaper at $30.36.

Compatibility

Designed specifically for Dell Optiplex small form factor systems.

Installation

Easier installation process for non-tech users.

Why Segotep 650W 80 Plus Gold Certified Non-Modular is better

Power Capacity

Segotep provides 650W compared to POINWER's 240W.

Efficiency

Segotep has an 80 Plus Gold certification.

Cooling

Includes a 120mm silent fan for better heat management.

Overall score

POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11
65
Segotep 650W 80 Plus Gold Certified Non-Modular
85

Specifications

SpecPOINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11Segotep 650W 80 Plus Gold Certified Non-Modular
BrandPOINWERSegotep
ModelH240AS-01GN-650
CertificationNone80 Plus Gold
DesignSFFNon-Modular
InstallationEasyStandard

Dimension comparison

POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11Segotep 650W 80 Plus Gold Certified Non-Modular

Price Comparison

The POINWER H240AS-01 is priced at $30.36, making it significantly cheaper than the Segotep 650W, which retails for $49.99. This represents a price difference of about 39%. If you're looking for a budget-friendly option, the POINWER model stands out as the more economical choice for users with compatible Dell Optiplex systems. However, it’s essential to consider the features and power capacity that each power supply offers in relation to their price.

Power Capacity

The Segotep 650W offers a robust power capacity of 650 watts, making it suitable for high-performance systems, especially those requiring substantial power for gaming or intensive tasks. In contrast, the POINWER H240AS-01 supplies a maximum of 240 watts, which is adequate for smaller systems but may fall short for more demanding applications. The substantial difference in wattage underscores the intended use of each power supply, with the Segotep being tailored for users needing extra power.

Efficiency Rating

The Segotep 650W boasts an 80 Plus Gold certification, ensuring exceptional energy efficiency. This certification means that the power supply operates at a minimum of 87% efficiency at 20% load, which can lead to significant energy savings over time. Meanwhile, the POINWER H240AS-01 lacks a defined efficiency rating, which raises questions about its overall performance in terms of energy consumption. For users concerned about energy efficiency and long-term savings, the Segotep’s certification offers a clear advantage.

Design and Build Quality

The Segotep 650W features a non-modular design that promotes neat cable management, reducing clutter and improving airflow within the computer case. This is particularly beneficial for maintaining lower temperatures during operation. On the other hand, the POINWER H240AS-01 is designed specifically for Dell Optiplex small form factor systems and emphasizes straightforward installation. While the POINWER may excel in compatibility with specific models, the Segotep's design is better suited for custom builds where cable management is a priority.

Compatibility

The POINWER H240AS-01 is explicitly compatible with Dell Optiplex 390, 790, 960, and 990 small form factor systems, making it an excellent choice for users of these specific models. Its various compatible part numbers further ensure that it fits seamlessly into the designated systems. Conversely, the Segotep 650W is designed with a more universal application in mind, featuring multiple 6+2 pin connectors that support various graphics cards, making it a versatile option for broader builds. This difference in compatibility highlights the target audience for each product.

Installation Process

POINWER emphasizes effortless installation with its H240AS-01, claiming that users can upgrade their power supply in just three simple steps. This ease of installation is ideal for those who may not have extensive technical knowledge. In contrast, while the Segotep 650W does not detail the installation process, its non-modular design tends to simplify setup as well. However, the amount of cabling may require more effort to manage. For beginners or those less familiar with hardware upgrades, the POINWER may offer a more user-friendly experience.

Cooling System

The Segotep 650W includes a 120mm silent fan designed to provide effective cooling while minimizing noise, which is particularly beneficial for gaming or performance-oriented systems that generate heat. The POINWER H240AS-01 does not mention any specific cooling features, which may lead to concerns about overheating, especially in compact setups. For users prioritizing a quiet operation and heat management, the Segotep offers a distinct advantage.

Which should you buy?

Choosing between the POINWER H240AS-01 and the Segotep 650W ultimately depends on your specific needs. If you're operating a Dell Optiplex small form factor system and are looking for a budget-friendly option, the POINWER at $30.36 is a solid choice. However, if you require a higher power capacity for gaming or demanding applications and value energy efficiency, the Segotep 650W is worth the investment at $49.99. The decision hinges on whether you prioritize cost or performance capabilities in your power supply.