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CORSAIR RM750x Shift Fully Modular ATX Power vs Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions

Updated August 2026 — CORSAIR RM750x Shift Fully Modular ATX Power wins on price and efficiency, Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions wins on aesthetics.

The CORSAIR RM750x offers superior performance and reliability, while the Sirlyr RGB Cable enhances aesthetics at a lower price. Choose based on your priorities.

Why CORSAIR RM750x Shift Fully Modular ATX Power is better

Performance

80 PLUS Gold certification ensures high efficiency.

Build Quality

Uses 100% Japanese electrolytic capacitors.

Noise Levels

Operates quietly with Zero RPM mode.

Why Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions is better

Price

49% cheaper than the RM750x.

Aesthetics

360-degree RGB lighting enhances visual appeal.

Compatibility

Compatible with all motherboards.

Overall score

CORSAIR RM750x Shift Fully Modular ATX Power
85
Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions
65

Specifications

SpecCORSAIR RM750x Shift Fully Modular ATX PowerSirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions
Power Rating750WN/A
ModularityFully ModularExtension
RGB SupportNoYes
Warranty10 yearsN/A
Fan Size140mmN/A

Dimension comparison

CORSAIR RM750x Shift Fully Modular ATX PowerSirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions

Introduction to the Power Supply Options

When considering power supplies for your PC build, the choice often comes down to functionality versus aesthetics. The CORSAIR RM750x Shift Fully Modular ATX Power Supply and the Sirlyr 24 Pin RGB Cable each offer unique features tailored to specific needs. The CORSAIR RM750x is priced at $79.99, while the Sirlyr RGB Cable is available for $38.99, making the Sirlyr about 49% cheaper. Understanding the core strengths of each product will help you make a more informed decision.

Design and Aesthetics

In terms of design, the CORSAIR RM750x stands out with its innovative side cable interface, allowing for easier access to connections. This unique design not only enhances functionality but also promotes cleaner cable management. On the other hand, the Sirlyr RGB Cable features a striking 360-degree light effect, thanks to its 120 LED beads, which can brighten up your PC case significantly. While the RM750x focuses on practicality, the Sirlyr RGB Cable prioritizes visual appeal, making it an excellent choice for gamers looking to enhance their setup's aesthetics.

Performance and Efficiency

The CORSAIR RM750x boasts an 80 PLUS Gold certification, ensuring high efficiency in power delivery. This means it operates with less energy waste, contributing to lower electricity bills over time. Additionally, it is compliant with the ATX 3.1 power standard, providing robust support for modern gaming components. In contrast, the Sirlyr RGB Cable primarily enhances the visual aspect of your build without affecting power efficiency. While it doesn’t impact power delivery, it does allow for better cable management, which can indirectly improve airflow and cooling performance in your case.

Compatibility and Connectivity

The CORSAIR RM750x is designed with fully modular connections, meaning you can only use the cables necessary for your specific setup. This feature is especially beneficial for reducing clutter and streamlining the installation process. It also utilizes micro-fit connectors, ensuring a snug fit for optimal performance. Conversely, the Sirlyr RGB Cable is compatible with all motherboards and supports various RGB sync systems, including ASUS AURA and MSI Mystic Light. However, it does require a 5V 3-pin connection, which may limit its use in some older systems.

Build Quality and Reliability

The build quality of the CORSAIR RM750x is highlighted by its use of 100% 105°C-rated Japanese electrolytic capacitors, which provide long-term reliability and stability. This premium construction is backed by a ten-year warranty, offering peace of mind for users. On the other hand, the Sirlyr RGB Cable is made from TPE/silicone material, allowing for flexibility and easy routing. While it offers decent quality, the focus remains on aesthetics rather than the same kind of durability and longevity offered by the CORSAIR unit.

Noise Levels and Cooling

The CORSAIR RM750x is equipped with a 140mm fluid dynamic bearing fan that operates quietly, especially in Zero RPM mode, where it remains silent during low and medium loads. This feature is crucial for gamers who prefer a quieter system while gaming or working. In contrast, the Sirlyr RGB Cable does not contribute to noise levels since it is a passive component. However, the aesthetic lighting may draw attention away from any operational noise coming from other system components, creating a more immersive gaming environment.

Price Comparison

At a current price of $79.99, the CORSAIR RM750x is a premium investment in a power supply that emphasizes performance and efficiency. Meanwhile, the Sirlyr RGB Cable, priced at $38.99, offers a more budget-friendly option aimed at enhancing the visual aspect of your gaming setup. The significant price difference of about $41 translates to a 49% lower cost for the Sirlyr, making it an attractive choice for those on a tighter budget or looking to upgrade the aesthetics of their build without a hefty investment.

Which should you buy?

Choosing between the CORSAIR RM750x Shift and the Sirlyr 24 Pin RGB Cable ultimately depends on your priorities. If you seek a reliable, high-performance power supply with exceptional efficiency and modularity, the CORSAIR RM750x is the clear winner. However, if your focus is on improving the visual appeal of your build with effective cable management, the Sirlyr RGB Cable offers great aesthetics at a lower price point. Your decision should align with whether you value performance and reliability or visual enhancements in your PC setup.