Segotep 650W 80 Plus Gold Certified Non-Modular vs Sirlyr PSU Extension Cable Kit - Custom Sleeved
Updated August 2026 — Segotep 650W 80 Plus Gold Certified Non-Modular wins on efficiency and power, Sirlyr PSU Extension Cable Kit - Custom Sleeved wins on aesthetics and price.
The Segotep power supply offers reliable performance and efficiency, while the Sirlyr extension cable kit enhances aesthetics. Choose based on your specific needs.
Why Segotep 650W 80 Plus Gold Certified Non-Modular is better
Power Supply
Segotep provides essential power functionality.
Efficiency
Segotep has an 80+ Gold certification.
Capacity
Segotep offers a robust 650W capacity.
Why Sirlyr PSU Extension Cable Kit - Custom Sleeved is better
Aesthetics
Sirlyr enhances visual appeal with stylish cables.
Customization
Sirlyr allows for more cable management options.
Price
Sirlyr is more budget-friendly.
Overall score
Specifications
| Spec | Segotep 650W 80 Plus Gold Certified Non-Modular | Sirlyr PSU Extension Cable Kit - Custom Sleeved |
|---|---|---|
| Certification | 80+ Gold | N/A |
| Wattage | 650W | N/A |
| Cable Type | Non-Modular | Custom Sleeved |
| Connector Count | 4 PCI-E | Comprehensive Set |
| Material | Standard | PET |
Dimension comparison
Overview of the Products
When comparing the Segotep 650W 80 Plus Gold Certified Non-Modular ATX Power Supply and the Sirlyr PSU Extension Cable Kit, it's clear that these two products serve different purposes in a PC build. The Segotep power supply, priced at $49.99, is designed to provide reliable power to your system, while the Sirlyr extension cable kit, available for $19.99, focuses on aesthetics and cable management. This fundamental difference shapes their respective features and benefits.
Power Supply Capabilities
The Segotep power supply stands out with its robust 650W capacity and an 80+ Gold certification, ensuring high efficiency. This power supply can handle demanding tasks and high amperage situations, making it suitable for gaming and high-performance systems. In contrast, the Sirlyr extension cable kit does not provide power but rather enhances the visual appeal of a PC setup. Its cables are designed for systems running between 800W-1600W, but they require a separate power supply to function.
Design and Aesthetics
In terms of aesthetics, the Sirlyr PSU Extension Cable Kit shines with its stylish white and pink sleeved cables, designed to complement a visually appealing PC build. The Segotep power supply, while functional, does not focus on aesthetics and features a standard black design. The Sirlyr kit includes 18 cable combs to aid in cable management, creating a neat and organized look inside a PC case, which is essential for many users who prioritize the visual aspect of their builds.
Installation and Ease of Use
The Segotep power supply features a non-modular design, which can simplify installation for some users, as all cables are permanently attached. This design choice can lead to a cleaner setup, as it reduces clutter. However, it may not be as flexible for users who prefer to customize their cable arrangements. On the other hand, the Sirlyr extension kit requires the user to already have a power supply, but it allows for more customization in cable management. Its inclusion of various cable types means users can adapt it to their specific needs.
Efficiency and Performance
With an 80+ Gold certification, the Segotep power supply guarantees exceptional efficiency, which can lead to lower electricity costs and a cooler system overall. This is especially beneficial for high-performance setups that demand stable power delivery. The Sirlyr extension cables boast 16 AWG cores, ensuring stability even under high currents, but they cannot operate independently without a power supply. This makes the Segotep a better choice for those looking for reliable power efficiency.
Compatibility
The Segotep power supply is equipped with four PCI-E 6+2 pin connectors, making it suitable for modern graphics cards and ensuring compatibility with a wide range of systems. Its global voltage adaptation feature further enhances its versatility for international use. The Sirlyr cable kit includes a comprehensive set of cable types, such as 1×24-pin ATX and 2×6+2-pin PCI-E, providing flexibility for users looking to upgrade their existing setups. However, its compatibility is ultimately dependent on having a compatible power supply already in place.
Pricing and Value
The Segotep power supply is priced at $49.99, while the Sirlyr extension cable kit is more budget-friendly at $19.99, making it about 60% cheaper. While the Sirlyr kit offers good value for those focused on aesthetics and organization, the Segotep power supply provides essential functionality and efficiency that justifies its higher price. Users need to consider whether they need a power supply or simply an extension kit for visual enhancement.
Which should you buy?
Choosing between the Segotep 650W power supply and the Sirlyr PSU extension cable kit ultimately depends on your specific needs. If you're looking for a reliable power source that delivers efficiency and stability for your PC, the Segotep is the clear winner. However, if your focus is on enhancing the visual appeal of your build and you already have a power supply, the Sirlyr extension cable kit could be the perfect addition. Assess your priorities carefully to make the best choice for your PC setup.

