POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 vs Sirlyr PSU Extension Cable Kit - Custom Sleeved
Updated August 2026 — POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 wins on testing and compatibility, Sirlyr PSU Extension Cable Kit - Custom Sleeved wins on aesthetics.
The POINWER H240AS-01 is a reliable power supply for Dell Optiplex systems, while the Sirlyr PSU Extension Cable Kit enhances aesthetics and cable management. Choose based on your specific needs.
Why POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 is better
Compatibility
Designed specifically for Dell Optiplex systems.
Testing
Undergoes stringent quality testing for reliability.
Functionality
Serves as a direct power supply replacement.
Why Sirlyr PSU Extension Cable Kit - Custom Sleeved is better
Aesthetics
Features a stylish pink and white design.
Cable Management
Includes cable combs for better organization.
Price
More affordable option for enhancing builds.
Overall score
Specifications
| Spec | POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 | Sirlyr PSU Extension Cable Kit - Custom Sleeved |
|---|---|---|
| Model | H240AS-01 | PSU Extension Kit |
| Brand | POINWER | Sirlyr |
| Voltage | 240W | N/A |
| Cable Type | Standard | 16AWG |
| Design | Functional | Stylish |
Dimension comparison
Overview of the Power Supplies
The POINWER H240AS-01 is a reliable power supply specifically designed for Dell Optiplex systems, while the Sirlyr PSU Extension Cable Kit enhances the aesthetics and functionality of PC builds. The POINWER power supply is priced at $30.36, whereas the Sirlyr kit comes in at a lower price of $19.99, making it about 34% cheaper. Both products cater to different needs within the PC building community, serving either as a replacement power supply or as an enhancement for existing setups.
Compatibility and Target Audience
The POINWER H240AS-01 is tailored for the Dell Optiplex series, specifically accommodating models such as the 390, 790, 960, and 990 Small Form Factor (SFF) systems. This focus on compatibility makes it a vital component for users needing to replace an old power supply in these specific models. In contrast, the Sirlyr PSU Extension Cable Kit is designed for a broader audience, appealing to PC builders looking to enhance the visual appeal and management of their cables. This kit is versatile enough for any system that requires additional cable lengths without being model-specific.
Quality and Reliability
The POINWER power supply boasts stringent testing protocols, ensuring reliability through high and low voltage tests, aging tests, load testing, and short-circuit protection tests. This commitment to quality makes it a trustworthy choice for users concerned about system stability. On the other hand, the Sirlyr kit features 16 AWG cable cores, which provide superior stability even under high currents. While both products emphasize quality, the POINWER unit is focused on core power delivery, whereas the Sirlyr kit enhances the build's aesthetics and cable management.
Installation Process
Installing the POINWER H240AS-01 is designed to be straightforward, requiring only three simple steps to replace an old unit. This user-friendly installation process is ideal for those who may not be tech-savvy but still wish to upgrade their power supply. Conversely, the installation of the Sirlyr PSU Extension Cable Kit is equally accessible, as it simply involves adding the cable extensions to the existing power supply. Both products prioritize ease of installation, making them suitable for novices in the PC building space.
Design and Aesthetics
The Sirlyr PSU Extension Cable Kit stands out with its eye-catching pink and white design, which is particularly appealing for those building a customized or themed PC. The use of pearl white PET material not only enhances visual appeal but also makes the cables more robust and heat-resistant compared to standard cables. In contrast, the POINWER power supply focuses on functionality and reliability, lacking any design features intended for aesthetic enhancement. For users prioritizing looks alongside performance, the Sirlyr kit is a clear winner.
Pricing and Value
With the POINWER H240AS-01 priced at $30.36 and the Sirlyr PSU Extension Cable Kit at $19.99, the latter offers a significant savings of about $10.37. This price difference of about 34% may influence buyers on a budget or those seeking to add flair to their builds without a hefty investment. However, it's essential to note that these products serve different functions; while the POINWER is a power supply replacement, the Sirlyr kit is an enhancement for existing setups.
Performance Metrics
The POINWER H240AS-01 is engineered for optimal performance in Dell Optiplex systems, ensuring that users experience consistent power delivery. This reliability is particularly vital for users who rely on their systems for productivity or gaming. The Sirlyr PSU Extension Cable Kit, while not a power supply itself, contributes to performance indirectly by ensuring stable connections through its high-quality materials and gold-plated terminals. Thus, while the POINWER is focused on providing power, the Sirlyr kit enhances the overall performance of a system through improved cable management and aesthetics.
Which should you buy?
Choosing between the POINWER H240AS-01 and the Sirlyr PSU Extension Cable Kit depends on your specific needs. If you require a reliable power supply for a Dell Optiplex model, the POINWER is your go-to choice, offering tested reliability at $30.36. However, if you are looking to enhance your PC's aesthetics and cable management without changing your power supply, the Sirlyr kit is an excellent option at $19.99. Ultimately, consider what aspect is more critical for your build—functionality or style—before making your decision.

