SAMA Black 850W Power Supply - Fully Modular 80 Plus Gold Certified ATX 3.1 & PC vs ESGAMING 650W Non Modular Power Supply with Low-Noise 120mm Fan ATX PSU
Updated August 2026 — The SAMA Black 850W Power Supply offers superior features and performance compared to the ESGAMING 650W model. For high-performance builds, the SAMA is the clear choice.
The SAMA Black 850W Power Supply offers superior features and performance compared to the ESGAMING 650W model. For high-performance builds, the SAMA is the clear choice.
Why SAMA Black 850W Power Supply - Fully Modular 80 Plus Gold Certified ATX 3.1 & PC is better
Wattage
850W vs 650W for better performance
Modularity
Fully modular vs non-modular design
Efficiency
80 PLUS Gold certified vs unspecified efficiency
Why ESGAMING 650W Non Modular Power Supply with Low-Noise 120mm Fan ATX PSU is better
Price
More budget-friendly at C$55.99
Size
Compact design for basic setups
Legacy Support
Includes connectors for older hardware
Overall score
Specifications
| Spec | SAMA Black 850W Power Supply - Fully Modular 80 Plus Gold Certified ATX 3.1 & PC | ESGAMING 650W Non Modular Power Supply with Low-Noise 120mm Fan ATX PSU |
|---|---|---|
| Brand | SAMA | ESGAMING |
| Price | C$89.99 | C$55.99 |
| Fan Size | 120mm | 120mm |
| PCIe Support | Yes | No |
| Form Factor | ATX | ATX |
Dimension comparison
Overview of Power Supply Options
When considering power supplies, the SAMA Black 850W Power Supply and the ESGAMING 650W Non Modular Power Supply present two distinct choices catering to different user needs. The SAMA unit is priced at C$89.99 and offers a higher wattage alongside a fully modular design, while the ESGAMING model is more budget-friendly at C$55.99 but lacks modularity. This difference in wattage and design impacts the overall performance and usability of each unit in various system configurations.
Design and Build Quality
The SAMA Black 850W Power Supply excels with its fully modular design, allowing users to connect only the cables needed for their specific setup. This feature not only simplifies installation but also promotes better airflow and cleaner cable management. In contrast, the ESGAMING 650W model features non-modular cables that are pre-installed, which may lead to a cluttered build if not managed carefully. While the ESGAMING unit has a sleek black and flat cable design, it lacks the flexibility and cleanliness offered by a fully modular system.
Efficiency Ratings
Efficiency is a critical factor in power supplies, and here the SAMA Black 850W shines with its 80 PLUS Gold certification. This certification indicates that it can achieve up to 91.15% efficiency at 50% load, resulting in less energy waste and heat, ultimately enhancing system stability and component longevity. On the other hand, the ESGAMING 650W does not mention a specific efficiency rating, which might suggest it operates at lower efficiency levels. This can lead to higher energy consumption and potentially higher operating costs over time.
Cooling Performance
Cooling performance is paramount in power supplies, especially under heavy loads. The SAMA Black 850W is equipped with a 120mm ECO fan featuring Fluid Dynamic Bearing technology, ensuring quiet operation with noise levels as low as ≤20dB-A. This makes it suitable for quiet environments or gaming rigs where noise can be distracting. Conversely, the ESGAMING 650W also features a 120mm fan designed for ultra-quiet operation at low loads, but it does not specify noise levels, which makes it hard to gauge how it compares under heavy use.
Component Compatibility
Compatibility with modern components is another crucial aspect to consider. The SAMA Black 850W is designed to meet the latest ATX 3.1 standards and includes native PCIe 5.1 ports and cables, making it ideal for high-end GPUs such as the RTX 3090 Ti and newer RTX 40 series cards. This ensures that users can future-proof their systems with the latest technology. In contrast, while the ESGAMING 650W boasts a standard ATX form factor and various connectors, including legacy options, it may not support the latest graphics cards as effectively as the SAMA model.
Warranty and Reliability
When investing in a power supply, warranty and reliability are significant factors. The SAMA Black 850W comes with a 5-year warranty, providing peace of mind regarding its longevity and performance. This warranty reflects the manufacturer’s confidence in the product's durability and reliability. The ESGAMING 650W does not mention a warranty period, which may raise concerns about its long-term reliability and support, especially for users who demand high performance from their components.
Price and Value
Price is always a consideration when choosing a power supply. The SAMA Black 850W is priced at C$89.99, which reflects its higher wattage and advanced features, making it suitable for more demanding builds. Meanwhile, the ESGAMING 650W is more budget-friendly at C$55.99, appealing to users with less intensive power needs or those looking for a basic setup. While the ESGAMING unit offers good value for its price, it sacrifices features that may be crucial for high-performance systems, thus limiting its appeal to serious gamers or workstation users.
Which should you buy?
Ultimately, the choice between the SAMA Black 850W Power Supply and the ESGAMING 650W Non Modular Power Supply comes down to your specific needs and budget. If you are building a high-performance gaming rig or workstation that requires support for modern components and a reliable, efficient power supply, the SAMA Black 850W is the clear winner with its fully modular design and robust specifications. However, if you are on a tight budget and need a basic power supply for less demanding tasks, the ESGAMING 650W could suffice. Consider your system requirements and choose accordingly to ensure optimal performance.
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