MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single vs Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1
Updated August 2026 — Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 leads on modularity and safety.
The MEAN WELL LRS-350-24 is a cost-effective choice for industrial applications, while the Rosewill VSB 650W offers superior power for gaming. Choose based on your specific needs.
Why MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single is better
Price
MEAN WELL is significantly cheaper at $26.00
Industrial Use
Designed specifically for industrial applications
Compact Design
Low-profile design suitable for tight spaces
Why Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 is better
Power Output
Rosewill provides 650W compared to MEAN WELL's 350.4W
Efficiency Rating
Rosewill has an 80 PLUS Bronze certification
Warranty
Rosewill offers a longer 5-year warranty
Overall score
Specifications
| Spec | MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single | Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 |
|---|---|---|
| Output Voltage | 24V | N/A |
| Output Current | 14.6A | N/A |
| Input Voltage | 90-264VAC | N/A |
| Modular | No | Semi-Modular |
| PCIe Support | No | Yes |
| Cooling Fan | Yes | Yes |
Dimension comparison
Overview of the MEAN WELL LRS-350-24
The MEAN WELL LRS-350-24 is a high-quality power supply that delivers a maximum output of 350.4 watts at 24 volts and 14.6 amps. This model is designed for industrial applications and offers robust features, including a switchable AC input range, high efficiency, and various built-in protections. At a price of $26.00, it presents a cost-effective option for those needing reliable power supply solutions.
The LRS-350-24 boasts a low profile design and can withstand high operating temperatures up to 70°C. Its additional features, such as a built-in cooling fan and multiple protections against short circuits and overloads, enhance its usability in demanding environments. This product is well-suited for users looking for a dependable power source for industrial automation machinery and other electrical equipment.
Overview of the Rosewill VSB 650W 80+ Bronze
The Rosewill VSB 650W 80+ Bronze is a semi-modular power supply that offers 650 watts of power with an 80 PLUS Bronze certification, indicating high efficiency. Priced at $49.98, it is approximately 92% more expensive than the MEAN WELL LRS-350-24. However, it comes with features such as compatibility with ATX 3.0 and 3.1 standards, making it suitable for modern builds.
This power supply is equipped with a native PCIe 5.1 cable, allowing for up to 450W of direct power to new graphics cards. Its compact design and optimized thermal control make it an ideal choice for small-form-factor systems. The VSB 650W also includes a five-year warranty, offering peace of mind for users investing in long-term reliability.
Power Output Comparison
In terms of power output, the MEAN WELL LRS-350-24 provides a maximum of 350.4 watts, which is sufficient for many industrial applications. In contrast, the Rosewill VSB 650W provides a significantly higher output of 650 watts, making it a better fit for high-performance gaming PCs and workstations that require additional power for components like advanced GPUs.
The substantial difference in power output reflects the different target markets of these products. The MEAN WELL is aimed at specific industrial uses, while the Rosewill caters to enthusiasts needing robust power for demanding hardware setups. This difference in application leads to varied performance expectations based on the user's needs.
Efficiency Ratings
Efficiency is a critical factor when selecting a power supply, and the Rosewill VSB 650W holds an 80 PLUS Bronze certification, indicating that it operates at a minimum efficiency of 82% under typical loads. While the MEAN WELL LRS-350-24 does not specify an efficiency rating, its features suggest that it is designed for high reliability and efficiency, especially in industrial settings.
The efficiency gain with the Rosewill can translate into lower electricity bills over time, especially for users running high-performance systems continuously. For those concerned about energy consumption and heat output, the Rosewill's certification offers assurance of its operational efficiency.
Design and Build Quality
The MEAN WELL LRS-350-24 features a low-profile design, which is advantageous for installations with limited space. It also includes a built-in cooling fan that helps manage heat effectively. In contrast, the Rosewill VSB 650W is constructed with a steel shell and incorporates large vents along with an ICB silent fan, ensuring optimal thermal performance.
While both products are designed for durability, the Rosewill's semi-modular approach allows for a cleaner build by enabling users to connect only the cables they need. This aspect can significantly enhance airflow within a case and simplify cable management, which is a crucial consideration for gamers and PC builders.
Warranty and Support
The MEAN WELL LRS-350-24 comes with a three-year warranty, which is generally standard for power supplies in its category. On the other hand, the Rosewill VSB 650W offers a more extended five-year warranty, providing users with additional peace of mind regarding reliability and customer support.
A longer warranty can indicate a manufacturer's confidence in their product's longevity and performance. For users who prioritize long-term use and potential upgrades, the Rosewill's warranty may be a deciding factor in their purchase decision.
Application Suitability
The MEAN WELL LRS-350-24 is specifically designed for industrial applications, making it ideal for automation machinery and electronic instruments. Its features cater to environments where reliability and performance are critical. Meanwhile, the Rosewill VSB 650W is tailored for high-performance computing, supporting next-gen GPUs and gaming systems with demanding power requirements.
Choosing between these two products ultimately depends on the intended application. Users focused on industrial automation might find the MEAN WELL more suitable, while gamers and PC enthusiasts would benefit from the capabilities of the Rosewill.
Which should you buy?
In the comparison of MEAN WELL LRS-350-24 and Rosewill VSB 650W 80+ Bronze, the decision hinges on the intended use. The MEAN WELL offers excellent value for industrial applications at a significantly lower price of $26.00, while the Rosewill, priced at $49.98, provides higher power output and efficiency suited for modern gaming and computing needs.
If you require a reliable power supply for industrial machinery, the MEAN WELL LRS-350-24 is the better choice. Conversely, if your focus is on building or upgrading a high-performance PC, the Rosewill VSB 650W is worth the investment for its enhanced power capabilities and longer warranty.

