Sirlyr PSU Cable Extension Kit vs SAMA G850 Power Supply - 850W Fully Modular 80 Plus Gold Certified ATX 3.1 & PCI
Updated August 2026 — The SAMA G850 Power Supply is the superior choice for high-performance builds, while the Sirlyr PSU Cable Extension Kit excels in aesthetics and cable management.
The SAMA G850 Power Supply is the superior choice for high-performance builds, while the Sirlyr PSU Cable Extension Kit excels in aesthetics and cable management.
Why Sirlyr PSU Cable Extension Kit is better
affordable price
Sirlyr kit costs £17.94, making it budget-friendly
aesthetic design
All-white appearance enhances visual appeal
ease of installation
Straightforward setup with pre-installed combs
Why SAMA G850 Power Supply - 850W Fully Modular 80 Plus Gold Certified ATX 3.1 & PCI is better
high efficiency
SAMA G850 has 80 Plus Gold certification
modular design
Fully modular layout improves cable management
premium components
Features Japanese capacitors for stability and longevity
Overall score
Specifications
| Spec | Sirlyr PSU Cable Extension Kit | SAMA G850 Power Supply - 850W Fully Modular 80 Plus Gold Certified ATX 3.1 & PCI |
|---|---|---|
| Brand | Sirlyr | SAMA |
| Cable Type | Extension | Power Supply |
| Modularity | Non-modular | Fully Modular |
| Connector Type | Standard | 12V-2x6 |
| Cooling Fan | None | 140mm FDB |
Dimension comparison
Overview of Products
In this comparison, we’ll look at the Sirlyr PSU Cable Extension Kit and the SAMA G850 Power Supply. The Sirlyr kit is priced at £17.94, while the SAMA power supply is more expensive at £84.99. While both products are essential for enhancing your computer's performance, they serve different purposes within the realm of power supplies.
The Sirlyr PSU Cable Extension Kit focuses on aesthetics and cable management, providing an all-white design and pre-installed cable combs. In contrast, the SAMA G850 Power Supply is a fully modular unit designed for high efficiency and stability, boasting an 80 Plus Gold certification. Choosing between these products will depend on whether you require cable extensions or a new power supply unit.
Design and Aesthetics
The Sirlyr PSU Cable Extension Kit shines in terms of design, featuring an all-white appearance that is ideal for building a visually appealing system. The glossy white nylon braided cables not only enhance the overall look of your desktop but also lend a premium feel to the setup.
On the other hand, the SAMA G850 Power Supply, while not as focused on aesthetics, offers a fully modular design that allows users to only use the cables they need. This promotes cleaner builds and improved airflow, which is vital for maintaining system performance. Although it may not have the flashy design of the Sirlyr kit, the practicality of its modular design is a strong feature for any serious builder.
Performance and Efficiency
Performance-wise, the SAMA G850 Power Supply is superior with its 850W output and 80 Plus Gold certification, achieving up to 91.15% efficiency at typical load. This level of efficiency reduces power waste and heat generation, making it an ideal choice for high-performance systems that demand stable power delivery.
In contrast, the Sirlyr PSU Cable Extension Kit does not directly impact the power supply performance but enhances the existing setup by improving cable management. Its 16 AWG thickened alloy copper core allows for stable current transmission, which is essential for high-end components. However, it lacks the efficiency metrics that the SAMA power supply provides.
Build Quality and Materials
The build quality of the SAMA G850 Power Supply is commendable, featuring premium Japanese capacitors for longevity and stability. It also includes a silent 140mm fan with Fluid Dynamic Bearing technology, which ensures quiet operation and minimal vibration during use.
Conversely, the Sirlyr PSU Cable Extension Kit also boasts quality materials with gold-plated terminals to minimise power loss and heat. This focus on material quality is crucial for ensuring stability under high current conditions, especially for power supplies rated between 800W and 1600W. Both products demonstrate a commitment to quality, but the SAMA power supply edges ahead with its premium components.
Cable Management
Cable management is a critical aspect of any PC build, and the Sirlyr PSU Cable Extension Kit excels in this area. The kit includes pre-installed cable combs, which help organise and manage cables effectively. Additionally, it provides an extra set of combs for customisation, allowing users to tailor the setup to their specific needs.
The SAMA G850 Power Supply features a fully modular design, which inherently aids cable management by allowing users to connect only the cables they need. This approach reduces clutter and enhances airflow within the case. While both products contribute to better cable management, the Sirlyr kit offers more specific tools designed for this purpose.
Compatibility
The SAMA G850 Power Supply is compliant with Intel's ATX 3.1 standard and includes a native 12V-2x6 connector, ensuring compatibility with the latest NVIDIA GeForce RTX 50 and 40 series GPUs. This makes it an excellent choice for builders looking to future-proof their systems.
The Sirlyr PSU Cable Extension Kit is compatible with power supplies ranging from 800W to 1600W, making it versatile for various setups. However, it is important to note that the kit does not replace a power supply but rather extends the existing cables. Users must ensure that their power supply meets the necessary requirements for compatibility with the Sirlyr kit.
Price Consideration
Pricing is a significant factor when choosing between the two products. The Sirlyr PSU Cable Extension Kit is affordably priced at £17.94, making it a budget-friendly option for those looking to enhance their cable management without breaking the bank.
In contrast, the SAMA G850 Power Supply is priced at £84.99, which reflects its premium features and high efficiency. While it is a more substantial investment, it offers long-term value through its performance and reliability. Buyers must weigh their specific needs against their budget when considering these options.
User Experience and Support
User experience can greatly influence the decision-making process when selecting between these products. The Sirlyr PSU Cable Extension Kit is straightforward to install, thanks to its included cable combs and clear design. This ease of use can be particularly appealing for novice builders who might feel overwhelmed by complex setups.
The SAMA G850 Power Supply, while more intricate due to its modular design, offers a clean and efficient installation process. It also comes with comprehensive protections to ensure safe operation under various conditions. Users seeking a dependable and stable power supply will appreciate the reliability offered by the SAMA unit.
Which should you buy?
Choosing between the Sirlyr PSU Cable Extension Kit and the SAMA G850 Power Supply ultimately depends on your specific needs. If you are looking to enhance your existing setup with improved aesthetics and cable management, the Sirlyr kit for £17.94 is an excellent choice. However, if you require a robust and efficient power supply for a high-performance build, the SAMA G850 at £84.99 is the better investment. Each product has its strengths, making them suited for different types of users and builds.
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