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Lian Li SX1200P Platinum Compact ATX Form Factor vs Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions

Updated August 2026 — Lian Li SX1200P Platinum Compact ATX Form Factor wins on modularity and warranty, Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions wins on aesthetics.

The Lian Li SX1200P is a high-performance power supply, while the Sirlyr RGB cable enhances aesthetics. Choose based on your priority: power or looks.

Why Lian Li SX1200P Platinum Compact ATX Form Factor is better

Power

Lian Li provides robust power solutions.

Efficiency

Achieves up to 92% efficiency.

Warranty

Offers a 10-year warranty.

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

Aesthetics

RGB lighting enhances visual appeal.

Flexibility

Easy to bend and route.

Sync Compatibility

Works with various RGB sync systems.

Overall score

Lian Li SX1200P Platinum Compact ATX Form Factor
85
Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions
70

Specifications

SpecLian Li SX1200P Platinum Compact ATX Form FactorSirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions
Power Output1200WN/A
Efficiency Rating80 Plus PlatinumN/A
Warranty10 yearsN/A
RGB LightingNoYes
Connector TypePCIe 6+224-pin

Dimension comparison

Lian Li SX1200P Platinum Compact ATX Form FactorSirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions

Overview of the Products

In this comparison, we will look at the Lian Li SX1200P Platinum Compact ATX Form Factor 1200W Power Supply and the Sirlyr 24 Pin RGB Cable. The Lian Li power supply is a robust unit designed for high-performance builds, whereas the Sirlyr cable adds an aesthetic touch to your setup. With the Lian Li priced at $159.99 and the Sirlyr at $38.99, there is a significant price difference of about 59% between these two products.

Build Quality and Design

The Lian Li SX1200P is built with high-quality components, featuring 100% Japanese 105°C-rated capacitors that ensure exceptional durability and stable performance. Its compact design allows for easy installation in tight spaces, measuring 5.9" W x 3.4" H x 5.5" D. In contrast, the Sirlyr 24 Pin RGB Cable is made from TPE/silicone material, allowing for easy bending and routing. The integrated design hides the extension cable, providing a clean and organized look. While the Lian Li focuses on performance and longevity, the Sirlyr emphasizes aesthetics and ease of use.

Performance and Efficiency

The Lian Li power supply boasts an impressive efficiency rating, achieving up to 92% efficiency at 50% load thanks to its 80 Plus Platinum certification. This means it operates cooler and quieter than less efficient models, which is crucial for high-performance builds that demand stable voltage regulation. On the other hand, the Sirlyr cable does not directly impact power efficiency but enhances the overall visual experience of your setup with its RGB lighting. The choice between performance and aesthetics is clear, as each product serves a different purpose in enhancing your PC.

Connectivity Options

The Lian Li SX1200P comes equipped with ample PCIe 6+2 connectors, allowing you to power multiple accessories without limitations. This feature is particularly beneficial for users with complex builds that require extensive connectivity. The Sirlyr cable, while designed for aesthetics, also offers compatibility with all motherboards through its 24-pin connector. However, it does not provide the same level of connectivity options that the power supply does. If you need robust power solutions, the Lian Li is the clear winner in this category.

Cooling Solutions

One standout feature of the Lian Li power supply is its Smart Cooling Technology, which includes a fanless mode at loads below 40%. This ensures silent operation during light use while maintaining optimal temperatures during high-demand situations. The 140mm fan can reach a maximum speed of 2,000 RPM, providing excellent airflow to keep your system cool. In contrast, the Sirlyr cable does not have cooling capabilities, as it is purely an aesthetic enhancement. For users prioritizing thermal management, the Lian Li power supply is the superior choice.

Aesthetic Appeal

When it comes to aesthetics, the Sirlyr 24 Pin RGB Cable takes the lead with its vibrant 360-degree lighting effect created by 120 beads. This design allows for a soft glow without dark spots, enhancing the overall look of your PC case. It is compatible with various motherboard RGB sync systems, making it easy to customize your lighting effects. The Lian Li power supply, while sleek and modern in its own right, does not offer the same visual flair. If your goal is to create a visually stunning setup, the Sirlyr cable is the perfect complement to your build.

Warranty and Support

The Lian Li SX1200P comes with a generous 10-year warranty, reflecting the brand's confidence in its product quality and durability. Additionally, the company offers RMA support for missing parts or color issues, which can be crucial for users seeking quick resolutions. On the flip side, the Sirlyr cable does not specify warranty details, which may leave some users concerned about long-term reliability. For peace of mind, the Lian Li power supply's extensive warranty is a significant advantage.

Which should you buy?

Ultimately, the choice between the Lian Li SX1200P Platinum Power Supply and the Sirlyr 24 Pin RGB Cable depends on your needs. If you are looking for a powerful, efficient, and reliable power supply that will support high-performance builds, the Lian Li is the clear winner at $159.99. However, if your focus is on enhancing the visual appeal of your setup with customizable RGB lighting, the Sirlyr cable at $38.99 offers a budget-friendly solution. For a complete build, many users might find value in selecting both products, as they complement each other in functionality and aesthetics.