Redragon RGPS-850W 80+ Gold 850 Watt Power Supply w/Upgraded ATX 3.1 & PCIe 5.1 vs S-Union Upgraded New 240W L240ES-00 H240ES-02 Power Supply Compatible with Dell
Updated August 2026 — The Redragon RGPS-850W is a superior choice for high-performance needs, while the S-Union is a budget-friendly option for Dell systems.
The Redragon RGPS-850W is a superior choice for high-performance needs, while the S-Union is a budget-friendly option for Dell systems.
Why Redragon RGPS-850W 80+ Gold 850 Watt Power Supply w/Upgraded ATX 3.1 & PCIe 5.1 is better
higher wattage
850W vs 240W
energy efficiency
80 Plus Gold certification
advanced features
Zero RPM mode and RGB lighting
Why S-Union Upgraded New 240W L240ES-00 H240ES-02 Power Supply Compatible with Dell is better
lower price
C$58.99 vs C$154.99
specific compatibility
designed for Dell OptiPlex
after-sale service
18-month warranty
Overall score
Specifications
| Spec | Redragon RGPS-850W 80+ Gold 850 Watt Power Supply w/Upgraded ATX 3.1 & PCIe 5.1 | S-Union Upgraded New 240W L240ES-00 H240ES-02 Power Supply Compatible with Dell |
|---|---|---|
| Brand | Redragon | S-Union |
| Wattage | 850W | 240W |
| Certification | 80 Plus Gold | None |
| RGB Lighting | Yes | No |
| Warranty | N/A | 18 months |
Dimension comparison
Price Comparison
The Redragon RGPS-850W is priced at C$154.99, while the S-Union Upgraded New 240W is significantly cheaper at C$58.99. This represents a price difference of C$96.00, making the S-Union a more budget-friendly option. However, it is essential to consider what each power supply offers at these price points. The Redragon provides higher wattage and advanced features, which may justify its higher cost for users with demanding power needs, especially for gaming or high-performance computing setups. In contrast, the S-Union is tailored for specific Dell models, making it a more economical choice for users with compatible systems.
Power Output
When it comes to power output, the Redragon RGPS-850W delivers a robust 850 watts compared to the S-Union's 240 watts. This substantial difference means that the Redragon is designed to support more powerful setups, including high-performance GPUs like the Nvidia RTX 40/50 series. If you're building or upgrading a gaming rig or a workstation that requires significant power, the Redragon is the clear choice. Conversely, the S-Union is suitable for lower power requirements and is specifically compatible with select Dell models, making it less versatile for high-demand applications.
Efficiency and Certification
The Redragon RGPS-850W boasts an 80 Plus Gold certification, which indicates higher energy efficiency, cooler operation, and reduced noise levels. This certification is crucial for users looking to minimize energy consumption and ensure reliable performance during intense tasks. In contrast, the S-Union does not mention any efficiency certification, which may raise concerns regarding its operational reliability in more demanding environments. For users prioritizing energy efficiency and operational performance, the Redragon is clearly the superior option.
Compatibility
Compatibility is a critical aspect when choosing a power supply. The Redragon RGPS-850W is equipped with ATX 3.1 and PCIe 5.1, making it compatible with modern gaming setups and high-performance components. It is particularly suited for GPUs requiring substantial power excursions. On the other hand, the S-Union is specifically designed for Dell OptiPlex models, including the 3667, 3668, and 7050 series, among others. While the S-Union excels in providing a tailored solution for Dell users, its limited compatibility may restrict its appeal to a broader audience.
Build Quality and Reliability
The Redragon RGPS-850W is built with 100% Japanese capacitors, enhancing its reliability and durability. This quality construction is crucial for users who demand stable power delivery during intensive tasks. Additionally, it features a Zero RPM mode, enabling silent operation until the temperature reaches 60℃, which is a significant advantage for maintaining a quiet computing environment. In contrast, the S-Union emphasizes that its power supply is brand new and has undergone rigorous testing, including high and low voltage tests, ensuring basic reliability. However, it lacks the premium build quality and advanced features found in the Redragon.
Cooling Features
The Redragon RGPS-850W includes an innovative Zero RPM mode fan, which only activates when the unit reaches a temperature of 60℃. This feature not only reduces noise but also helps in maintaining a cooler case temperature, which is vital for system longevity and performance. The S-Union does not specify any cooling features or fan designs, which may indicate a more basic approach to thermal management. For users concerned about noise levels and system cooling, the Redragon RGPS-850W presents a clear advantage.
RGB Lighting
For those who value aesthetics in their build, the Redragon RGPS-850W offers up to 9 RGB modes with 26 selected colors, allowing users to customize their setup's lighting. This feature can enhance the overall look of a gaming rig, contributing to the immersive experience. In contrast, the S-Union does not mention any lighting features, focusing instead on functionality and compatibility for Dell systems. If RGB lighting is an essential factor in your decision-making process, the Redragon RGPS-850W is the preferable choice.
Which should you buy?
Ultimately, the choice between the Redragon RGPS-850W and the S-Union Upgraded New 240W hinges on your specific needs. If you require a high-capacity power supply with advanced features, compatibility with modern components, and a focus on efficiency and aesthetics, the Redragon RGPS-850W at C$154.99 is the ideal option. However, if you're looking for a budget-friendly solution to power a compatible Dell system, the S-Union at C$58.99 offers a practical choice, albeit with limitations in power output and features. Assess your requirements carefully to determine which power supply aligns best with your setup and usage expectations.
versusfinder.com is a participant in the Amazon.ca Associates Program. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

