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POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 vs Thermaltake Toughpower GT 850W ATX 3.1 Standard

Updated August 2026 — POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 wins on installation, Thermaltake Toughpower GT 850W ATX 3.1 Standard wins on warranty and price.

The Thermaltake Toughpower GT 850W is a superior choice for high-performance needs, while the POINWER H240AS-01 is suitable for basic computing tasks.

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

Price

POINWER H240AS-01 is significantly cheaper at $30.36.

Installation

Effortless installation with three simple steps.

Target Audience

Ideal for users with specific Dell Optiplex models.

Why Thermaltake Toughpower GT 850W ATX 3.1 Standard is better

Efficiency

80 PLUS Gold certification for better energy savings.

Performance

High amperage single +12V rail for stable power delivery.

Warranty

5-year warranty for peace of mind.

Overall score

POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11
55
Thermaltake Toughpower GT 850W ATX 3.1 Standard
85

Specifications

SpecPOINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11Thermaltake Toughpower GT 850W ATX 3.1 Standard
Power Output240W850W
Efficiency RatingN/A80 PLUS Gold
Modular DesignNoFully Modular
Cooling TechnologyNoneSmart Zero Fan
CompatibilityDell OptiplexATX 3.1, PCIe 5.1

Dimension comparison

POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11Thermaltake Toughpower GT 850W ATX 3.1 Standard

Overview of the POINWER H240AS-01 and Thermaltake Toughpower GT 850W

The POINWER H240AS-01 is priced at $30.36, making it significantly less expensive than the Thermaltake Toughpower GT 850W, which retails for $95.52. This price difference of about 68% reflects the target market of each power supply. While both products serve the essential function of powering systems, they cater to different user needs and system requirements.

The POINWER H240AS-01 is designed specifically for Dell Optiplex small form factor systems, making it a niche product. In contrast, the Thermaltake Toughpower GT 850W is built to accommodate a broader range of modern high-performance gaming and workstation setups. This makes the choice between the two largely dependent on your specific hardware requirements.

Compatibility and Target Audience

The POINWER H240AS-01 is compatible with a variety of Dell OptiPlex models including the 390, 790, 960, and 990, specifically tailored for small form factor systems. Its narrow compatibility range means it is an ideal choice for users who own these specific Dell models.

On the other hand, the Thermaltake Toughpower GT 850W supports Intel ATX 3.1 specifications and comes equipped with native PCIe 12V-2x6 connectors, making it suitable for modern GPUs. This broader compatibility allows it to serve gamers and professionals who require reliable power for high-performance builds.

Efficiency Ratings

When it comes to efficiency, the Thermaltake Toughpower GT 850W stands out with its 80 PLUS Gold certification. This rating indicates that the power supply can achieve up to 90% efficiency during operation, which translates into reduced energy consumption and lower heat output.

In comparison, the POINWER H240AS-01 does not mention any efficiency certification, which could imply lower operational efficiency. For users concerned about energy costs and environmental impact, the Thermaltake's efficiency could lead to significant savings over time, particularly in high-demand scenarios.

Installation and User Experience

The POINWER H240AS-01 prides itself on effortless installation, requiring just three simple steps to replace an old unit. This user-friendly approach is appealing to those who may not be tech-savvy, making it a great option for casual users looking for a simple upgrade.

The Thermaltake Toughpower GT 850W also emphasizes user experience with its fully modular design, which includes low-profile flat black cables. This design not only eases cable management but also improves airflow within the case, enhancing overall system performance. While both power supplies focus on user convenience, the Toughpower GT offers added benefits for more complex builds.

Performance Under Load

The Thermaltake Toughpower GT 850W is built to deliver stable power for high-demand applications. Its high amperage single +12V rail ensures reliable power delivery, making it an excellent choice for gaming and workstation configurations.

In contrast, the POINWER H240AS-01, while adequate for its intended use, may not provide the same level of performance under heavy load. It is primarily designed for low to moderate power needs, making it less suitable for high-performance tasks. Users looking for a robust solution for demanding applications would likely prefer the Thermaltake option.

Cooling Solutions

The POINWER H240AS-01 does not explicitly mention any cooling features, which raises concerns about thermal management during prolonged use. Without dedicated cooling technology, this power supply may struggle under extended high-load conditions, potentially affecting performance and longevity.

Conversely, the Thermaltake Toughpower GT 850W incorporates Smart Zero Fan technology. This feature allows the fan to adjust its speed based on the load, which minimizes noise during low-demand periods while ensuring optimal cooling during high-demand scenarios. This thoughtful design caters to users who prioritize a quiet yet efficient operation.

Warranty and Support

When it comes to warranty, the Thermaltake Toughpower GT 850W offers a 5-year warranty, providing users with peace of mind regarding reliability and performance over time. This extended warranty reflects the brand's confidence in its product's quality and durability.

In contrast, the POINWER H240AS-01 does not specify a warranty period, which could be a consideration for potential buyers. A lack of warranty information might lead to uncertainty regarding long-term reliability, especially for users investing in computer components.

Which should you buy?

Ultimately, the choice between the POINWER H240AS-01 and the Thermaltake Toughpower GT 850W hinges on your individual needs. If you own a compatible Dell Optiplex small form factor system and seek an economical solution for basic computing tasks, the POINWER H240AS-01 at $30.36 may be sufficient. However, for those looking for a high-efficiency, robust power supply suitable for modern gaming or workstation builds, the Thermaltake Toughpower GT 850W at $95.52 is a far better investment. Its advanced features, efficiency, and warranty make it a superior choice for demanding users.