Gigabyte UD850GM PG5 ICE 80 Plus Gold Fully Modular 850w PCIe 5.0 White Power Su vs Tecnoware Power Systems Free Silent PRO 650 Power Supply for Advanced PCs with N
Updated August 2026 — The Gigabyte UD850GM PG5 ICE is a superior choice for high-performance systems, while the Tecnoware Free Silent PRO 650 is a budget-friendly option for casual users.
£32.90Tecnoware Power Systems Free Silent PRO 650 Power Supply for Advanced PCs with N
Tecnoware Power Systems
The Gigabyte UD850GM PG5 ICE is a superior choice for high-performance systems, while the Tecnoware Free Silent PRO 650 is a budget-friendly option for casual users.
Why Gigabyte UD850GM PG5 ICE 80 Plus Gold Fully Modular 850w PCIe 5.0 White Power Su is better
power capacity
850W vs 650W
efficiency certification
80 PLUS Gold certified
modularity
fully modular design
Why Tecnoware Power Systems Free Silent PRO 650 Power Supply for Advanced PCs with N is better
price
£32.90 vs £99.61
weight
1 kg vs 1.5 kg
fan noise
quieter operation
Overall score
Specifications
| Spec | Gigabyte UD850GM PG5 ICE 80 Plus Gold Fully Modular 850w PCIe 5.0 White Power Su | Tecnoware Power Systems Free Silent PRO 650 Power Supply for Advanced PCs with N |
|---|---|---|
| Brand | Gigabyte | Tecnoware Power Systems |
| Modularity | Fully Modular | Non-Modular |
| Efficiency | 80 PLUS Gold | None |
| Protection | Comprehensive | Basic |
| Cooling | Smart Fan | Ultra Silent Fan |
Dimension comparison
Overview of the Products
The Gigabyte UD850GM PG5 ICE is a high-performance power supply priced at £99.61, while the Tecnoware Power Systems Free Silent PRO 650 offers a more budget-friendly option at £32.90. Each power supply caters to different user needs, with Gigabyte focusing on high wattage and modular design, while Tecnoware emphasises affordability and compatibility with a range of graphics cards.
The Gigabyte model is designed for users requiring robust power delivery for high-performance systems, boasting an 850W capacity ideal for advanced gaming rigs. In contrast, the Tecnoware model, with its 650W rating, is tailored for mainstream PCs, making it an excellent choice for those who do not need extreme power levels.
Performance and Efficiency
In terms of efficiency, the Gigabyte UD850GM PG5 ICE stands out with its 80 PLUS Gold certification, ensuring high performance and reduced energy wastage. This certification indicates that the power supply operates at an efficiency rating of up to 90% under typical loads, which is ideal for those looking to lower their electricity costs over time.
The Tecnoware Free Silent PRO 650, while not specified to have any efficiency certification, is designed to support graphics cards such as the GeForce RTX 3050. This compatibility suggests a certain level of efficiency, but without official certification, it is difficult to compare directly to the Gigabyte model's verified performance metrics.
Design and Modularity
The Gigabyte UD850GM PG5 ICE features a fully modular design, allowing users to connect only the cables they need. This not only enhances airflow within the PC case but also simplifies cable management, making it easier to build and maintain a clean setup. Its compact size makes it easier to fit into various cases, showcasing thoughtful engineering aimed at high-performance users.
Conversely, the Tecnoware Free Silent PRO 650 utilises optimised cabling with extra-long flat cables, which are beneficial for neat installations, especially in cases with unique layouts. However, it is not fully modular, which may lead to unnecessary cables cluttering the case. The design prioritises compatibility and ease of installation, making it suitable for users who prefer simplicity over high-end specifications.
Cooling Solutions
The Gigabyte UD850GM PG5 ICE employs a 120mm smart hydraulic bearing fan that adapts to thermal conditions, ensuring optimal cooling while minimising noise. This advanced cooling solution not only helps maintain performance but also contributes to the longevity of the power supply by preventing overheating during intensive tasks.
In contrast, the Tecnoware Free Silent PRO 650 features a 12 cm ultra-silent fan with an automatic speed adjustment system. This design aims to provide effective cooling while reducing noise levels, which is a significant advantage for users seeking a quieter operation. However, the lack of detailed specifications regarding the fan's performance limits a precise comparison with the Gigabyte model.
Protection Features
The Gigabyte UD850GM PG5 ICE is equipped with comprehensive protection mechanisms, including OVP (Over Voltage Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), and OTP (Over Temperature Protection). These features ensure a stable and safe power delivery to high-performance components, making it a reliable choice for demanding systems.
On the other hand, the Tecnoware Free Silent PRO 650 also includes safety features against power surges, overloads, and short circuits. While it provides essential protection, the absence of more advanced protections like OVP or OTP may leave users wanting more in terms of safeguarding their systems, especially for higher-end builds.
Target Audience
The target audience for the Gigabyte UD850GM PG5 ICE primarily includes gamers and PC builders who require a powerful and efficient power supply to support high-performance components. Its higher price point reflects the advanced features and reliability, appealing to those who are serious about their computing needs.
In contrast, the Tecnoware Free Silent PRO 650 is aimed at casual users or those with budget constraints. Its lower price makes it an attractive option for individuals building mid-range systems or upgrading existing setups without breaking the bank. This focus on affordability, however, may not satisfy enthusiasts seeking maximum performance.
Brand Reputation and Support
Gigabyte is well-known in the PC hardware industry, often praised for its quality and reliability. The brand’s strong reputation extends to its power supplies, which are backed by a commitment to performance and customer satisfaction. Users can expect a certain level of assurance when opting for a Gigabyte product, supported by a comprehensive warranty.
Tecnoware Power Systems, while a less prominent brand, offers a solid entry-level option with its Free Silent PRO 650. The company’s focus on creating budget-friendly power supplies caters to a different market segment but may lack the same level of recognition and support that Gigabyte provides. Users may need to consider brand reliability and post-purchase support when making their decision.
Which should you buy?
Choosing between the Gigabyte UD850GM PG5 ICE and the Tecnoware Free Silent PRO 650 ultimately depends on your specific needs and budget. If you require a powerful, efficient, and feature-rich power supply for a high-performance gaming rig, the Gigabyte model at £99.61 is the clear choice with its 850W capacity and extensive protection features.
On the other hand, if you are looking for an economical option for a standard PC build, the Tecnoware Free Silent PRO 650 at £32.90 offers sufficient power for mid-range components without the need for premium features. Consider your requirements carefully to make the best decision for your setup.
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