CORSAIR RM850e Fully Modular Low-Noise ATX Power vs MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single
Updated July 2026 — CORSAIR RM850e Fully Modular Low-Noise ATX Power wins on power and price, MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single wins on noise level.
The CORSAIR RM850e excels in performance and features, making it ideal for high-performance systems, while the MEAN WELL LRS-350-24 is a budget-friendly option for industrial use.
Why CORSAIR RM850e Fully Modular Low-Noise ATX Power is better
Modularity
Fully modular design reduces cable clutter.
Efficiency
Cybenetics Gold efficiency rating.
Noise
Designed for low noise operation.
Why MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single is better
Price
Significantly lower price point.
Simplicity
Simpler design for industrial applications.
Output Power
Provides adequate power for specific industrial needs.
Overall score
Specifications
| Spec | CORSAIR RM850e Fully Modular Low-Noise ATX Power | MEAN WELL LRS-350-24 350.4W 24V 14.6 Amp Single |
|---|---|---|
| Modular | Fully | Single |
| Output Voltage | 12V | 24V |
| Current | 70.8A | 14.6A |
| Cooling Fan | 120mm | Built-in |
| Compliance | ATX 3.1 | None |
Dimension comparison
Overview of the Products
In this comparison, we will examine the CORSAIR RM850e and the MEAN WELL LRS-350-24 power supplies. The CORSAIR RM850e is priced at $94.99, while the MEAN WELL LRS-350-24 is significantly cheaper at $26.00. While both products serve the essential function of powering devices, they cater to different needs and specifications, making it important to understand their differences.
Design and Build Quality
The CORSAIR RM850e features a fully modular design, allowing users to connect only the cables they need for their system. This reduces cable clutter and improves airflow within the PC case. In contrast, the MEAN WELL LRS-350-24 has a simpler design focused on industrial applications, featuring a single output with screw terminal blocks for connections. The build quality of the RM850e is highlighted by its 105°C-rated capacitors, which ensure reliable performance and longevity, compared to the LRS-350-24's more utilitarian build intended for various industrial applications.
Performance and Efficiency
When it comes to performance, the CORSAIR RM850e shines with Cybenetics Gold efficiency, ensuring that it operates at a high level of efficiency, reducing energy waste. The RM850e also supports modern power standards, such as ATX 3.1 and PCIe 5.1, which allows it to handle transient power spikes of up to 2x from GPUs. On the other hand, the MEAN WELL LRS-350-24 delivers a maximum output power of 350.4W at 24V and 14.6A, making it suitable for specific industrial applications. However, it does not match the efficiency standards of the CORSAIR model.
Noise Levels
The noise levels of a power supply can significantly affect the overall system experience. The CORSAIR RM850e is designed with a 120mm rifle bearing fan that operates quietly, even under full load. Its specially calculated fan curve keeps noise to a minimum, making it an excellent choice for gaming or quiet office setups. In contrast, the MEAN WELL LRS-350-24 includes a built-in cooling fan but does not emphasize low noise operation, as its primary focus is industrial applications where noise levels may not be as critical.
Compatibility and Connectivity
Compatibility is a vital aspect when choosing a power supply. The CORSAIR RM850e is compliant with ATX 3.1 and PCIe 5.1 standards, featuring a native 12V-2x6 cable, making it ideal for modern gaming setups and high-performance systems. It also includes multiple PCIe 8-pin connectors and a variety of other cables to meet diverse connection needs. Contrarily, the MEAN WELL LRS-350-24 is limited to a single output and is primarily designed for industrial control systems and automation machinery. This makes it less versatile for users building or upgrading personal computers.
Warranty and Reliability
Reliability is crucial when investing in a power supply. The CORSAIR RM850e boasts a seven-year warranty, reflecting the manufacturer's confidence in its durability and performance. This long warranty period is a testament to its design and build quality, catering to users who require consistent and reliable power. On the other hand, the MEAN WELL LRS-350-24 comes with a three-year warranty. While this is respectable, it does not quite match the level of assurance offered by the RM850e.
Applications and Use Cases
The applications of these two power supplies are quite different. The CORSAIR RM850e is ideal for high-performance gaming PCs and workstations that require reliable and efficient power delivery to support demanding hardware. Its compatibility with modern standards makes it a preferred choice for gamers and tech enthusiasts. In contrast, the MEAN WELL LRS-350-24 is tailored for industrial use, suitable for powering machinery and control systems. Its design focuses on meeting the needs of specific equipment, making it less applicable for general consumer use.
Price Comparison
Price is a significant factor for many consumers. The CORSAIR RM850e retails at $94.99, which positions it as a higher-end option focused on performance and modern features. In comparison, the MEAN WELL LRS-350-24 is priced at just $26.00, making it about 73% cheaper than the RM850e. However, this lower price reflects its intended use and limited features, which may not meet the demands of high-performance systems. Therefore, potential buyers must consider their specific needs and budget when evaluating these options.
Which should you buy?
Ultimately, the choice between the CORSAIR RM850e and the MEAN WELL LRS-350-24 boils down to your intended application. If you're building a high-performance gaming PC or workstation that demands efficiency, low noise, and modularity, the CORSAIR RM850e is the clear winner despite its higher price. Conversely, if you need a reliable power supply for industrial applications and are looking for a budget-friendly option, the MEAN WELL LRS-350-24 is an excellent choice. Assessing your unique requirements will guide you to the right decision.

