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NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - vs Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions

Updated August 2026 — NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - wins on power and efficiency, Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions wins on aesthetics and price.

The NZXT C850 Gold Core is a high-performance power supply, while the Sirlyr 24 Pin RGB Cable enhances aesthetics. For performance, the NZXT is the clear choice.

Why NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - is better

Power Output

Delivers up to 850 watts for demanding systems.

Efficiency

80 PLUS Gold certification ensures high energy efficiency.

Build Quality

Premium components and fully modular design for better cable management.

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

Aesthetic Appeal

Integrated RGB lighting enhances visual appeal.

Price

More budget-friendly option at $38.99.

Ease of Installation

Designed for easy bending and routing.

Overall score

NZXT C850 Gold Core - 850W ATX 3.1 Power Supply -
88
Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions
65

Specifications

SpecNZXT C850 Gold Core - 850W ATX 3.1 Power Supply -Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions
Wattage850WN/A
Certification80 PLUS GoldN/A
ModularityFully ModularN/A
RGB LightingNoYes
Warranty7 YearsN/A

Dimension comparison

NZXT C850 Gold Core - 850W ATX 3.1 Power Supply -Sirlyr 24 Pin RGB Cable,RGB PSU Cables Extensions

Overview of the Products

The NZXT C850 Gold Core is a high-performance power supply, whereas the Sirlyr 24 Pin RGB Cable focuses on enhancing aesthetics with RGB lighting. Priced at $99.99, the NZXT power supply is designed for efficiency and stability, while the Sirlyr RGB cable is more budget-friendly at $38.99, aimed at users looking to upgrade their PC's visual appeal.

The NZXT C850 is built with modern gaming in mind, featuring an 80 PLUS Gold rating for energy efficiency and fully modular design for clean cable management. In contrast, the Sirlyr RGB Cable provides a stylish twist, with integrated RGB lighting and compatibility with various RGB sync systems. Each product serves distinct purposes, catering to different aspects of PC building and customization.

Power Supply Versus Aesthetic Cables

When it comes to function, the NZXT C850 Gold Core is a substantial component, delivering up to 850 watts of power, making it suitable for demanding gaming rigs. This power supply is certified ATX 3.1 and PCIe 5.1 ready, ensuring it can support the latest GPUs. In comparison, the Sirlyr 24 Pin RGB Cable serves primarily as an aesthetic upgrade rather than a power solution, focusing on visual enhancements rather than performance metrics.

The NZXT power supply is engineered for stability and efficiency, providing a robust solution for high-performance PCs. In contrast, while the Sirlyr cable enhances the overall look of the build, it does not contribute to the power supply needs of the system, making it essential for users to consider their specific requirements when choosing between these two products.

Efficiency and Performance

The NZXT C850 Gold Core boasts an impressive 80 PLUS Gold certification, which signifies high energy efficiency, reducing heat and power draw. This level of efficiency is crucial for maintaining stable performance under heavy loads, which is particularly important for gaming and high-performance computing tasks. The power supply also features a whisper-quiet operation with its Zero RPM fan mode, providing near-silent performance during light workloads.

On the other hand, the Sirlyr 24 Pin RGB Cable does not offer any performance-related features but instead focuses on aesthetic appeal. While it is made from high-quality materials designed for easy bending and routing, its contribution to overall system performance is negligible compared to the NZXT C850. Therefore, for users prioritizing efficiency and reliable power delivery, the NZXT C850 is the clear winner in this category.

Build Quality and Design

The NZXT C850 Gold Core incorporates premium 105°C-rated capacitors and a fully modular design, allowing users to use only the cables they need. This design not only enhances cable management but also contributes to the overall build quality of the power supply. Its compact design and durable, flexible cables ensure a clean setup, which is essential for performance PCs.

In contrast, the Sirlyr 24 Pin RGB Cable features an integrated design that combines the extension cable and LED lighting strip into one unit. This results in a visually appealing installation that minimizes clutter within the PC case. The RGB cable is crafted from TPE/silicone, allowing for easy manipulation and routing. While both products are well-designed, they cater to different priorities, with the NZXT focusing on performance and the Sirlyr emphasizing aesthetics.

Compatibility and Usage

The NZXT C850 Gold Core is compatible with modern GPUs, supporting both AMD and NVIDIA graphics cards through its 12V-2x6 cable and additional PCIe cables. This makes it a versatile choice for a wide range of gaming setups. With a 7-year warranty and built-in protections, users can trust that this power supply will meet their needs for years to come.

Conversely, the Sirlyr 24 Pin RGB Cable is designed to be compatible with all motherboards that support ARGB connections. It also works seamlessly with various RGB sync systems, such as ASUS AURA and MSI Mystic Light. While the Sirlyr cable enhances visual appeal, it does not provide any power functionality and is primarily an accessory for those who prioritize aesthetics over performance.

Pricing and Value

With a current price of $99.99, the NZXT C850 Gold Core is a significant investment, reflecting its high-performance features and efficiency ratings. In comparison, the Sirlyr 24 Pin RGB Cable is priced at $38.99, making it about 61% cheaper than the NZXT power supply. This price difference highlights the distinct market segments each product targets: the NZXT is aimed at serious gamers and PC builders, while the Sirlyr caters to those looking to enhance their setup's visual appeal without a major financial commitment.

Given the robust features and longevity of the NZXT C850, its higher price can be justified for users seeking a reliable power source. However, for those on a budget or looking for a simple aesthetic upgrade, the Sirlyr cable offers good value without requiring a significant investment.

User Experience and Feedback

The user experience associated with the NZXT C850 Gold Core is often highlighted by its whisper-quiet operation and efficient performance, making it a favorite among gamers and PC enthusiasts. Customers appreciate the power supply's stability under load, as well as its modular design, which simplifies cable management during installation.

On the other hand, users of the Sirlyr 24 Pin RGB Cable often praise its aesthetic appeal and ease of installation. The integrated RGB lighting features allow for a customizable look that many find enhances their gaming rig's overall atmosphere. However, some users may find the functionality limited compared to a high-end power supply.

Both products have their strengths in user experience, but they cater to very different needs in the PC building community.

Which should you buy?

Choosing between the NZXT C850 Gold Core and the Sirlyr 24 Pin RGB Cable ultimately depends on your priorities. If you're looking for a reliable, high-performance power supply that efficiently supports modern gaming hardware, the NZXT C850 is a sound investment. However, if your main focus is to enhance your PC's aesthetics with RGB lighting and you are on a budget, the Sirlyr cable is a fantastic option. Each product serves its purpose effectively, so consider your needs carefully before making a decision.