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SAMA B850 850W ATX Power Supply vs Vetroo 1000W Black Power Supply ATX 3.1 Ready Dual PCIe 5.1

Updated August 2026The SAMA B850 offers great value for budget-conscious users, while the Vetroo 1000W excels in power capacity and efficiency.

The SAMA B850 offers great value for budget-conscious users, while the Vetroo 1000W excels in power capacity and efficiency.

Why SAMA B850 850W ATX Power Supply is better

price

SAMA B850 is C$74.99, more affordable than Vetroo's C$135.99

warranty

SAMA B850 has a 3-year warranty with multiple protections

cooling

SAMA B850 features a quiet temperature-controlled fan

Why Vetroo 1000W Black Power Supply ATX 3.1 Ready Dual PCIe 5.1 is better

power

Vetroo 1000W supports more demanding systems with 1000W output

efficiency

Vetroo has an 80 PLUS Gold certification for better energy savings

modularity

Vetroo's fully modular design allows for better cable management

Overall score

SAMA B850 850W ATX Power Supply
75
Vetroo 1000W Black Power Supply ATX 3.1 Ready Dual PCIe 5.1
85

Specifications

SpecSAMA B850 850W ATX Power SupplyVetroo 1000W Black Power Supply ATX 3.1 Ready Dual PCIe 5.1
BrandSAMAVetroo
Certification80 PLUS Bronze80 PLUS Gold
ATX ComplianceYesYes
PCIe Support5.15.1
Cooling TypeTemperature-controlled fanPremium capacitors

Dimension comparison

SAMA B850 850W ATX Power SupplyVetroo 1000W Black Power Supply ATX 3.1 Ready Dual PCIe 5.1

Price Comparison

When it comes to pricing, the SAMA B850 850W ATX Power Supply is significantly more affordable than the Vetroo 1000W Black Power Supply. The SAMA B850 is priced at C$74.99, while the Vetroo 1000W costs C$135.99. This difference of C$61.00 may be a critical factor for budget-conscious consumers. While the Vetroo offers higher wattage, those building a system that does not require as much power may find the SAMA B850 to be a more economical choice.

Power Capacity

In terms of power capacity, the Vetroo 1000W clearly outshines the SAMA B850. With a maximum output of 1000W, the Vetroo is designed to support more demanding systems, especially those with multiple high-end components. The SAMA B850, while still robust, provides 850W, which is sufficient for many builds but may not accommodate future upgrades for high-performance users. If your system demands high wattage for multiple GPUs or extensive peripherals, the Vetroo's capacity is a compelling advantage.

Certification and Efficiency

The SAMA B850 is 80 PLUS Bronze certified, which ensures over 85% efficiency at typical loads. This rating indicates a good balance between performance and energy savings. In contrast, the Vetroo 1000W boasts an 80 PLUS Gold certification, which meets higher efficiency standards and is indicative of even greater energy savings. With an 80 PLUS Gold rating, you can expect the Vetroo to operate more efficiently, which can lead to lower electricity costs over time, particularly for high-demand systems.

Compatibility

Both power supplies are compliant with the latest ATX 3.1 specifications and support PCIe 5.1, making them suitable for the newest motherboards and high-end GPUs. The SAMA B850's compatibility with high-end GPUs, including the RTX 4090/50 Series, ensures that it can handle modern gaming and productivity needs. However, the Vetroo 1000W offers enhanced performance with its dual PCIe 5.1 connections, which can be a significant benefit for gamers or professionals looking to run multiple graphics cards or other power-hungry components.

Cooling and Noise

When it comes to cooling performance, the SAMA B850 features a temperature-controlled fan that ensures quiet operation while maintaining optimal cooling. This is particularly beneficial for users who prioritise a quiet workspace or gaming environment. On the other hand, the Vetroo 1000W does not specifically highlight its cooling features, but its premium construction with 105° C capacitors suggests a focus on stability and thermal management. Users seeking a silent operation may prefer the SAMA B850, while others may be confident in the Vetroo's ability to handle heat effectively, given its higher wattage.

Design and Aesthetics

The SAMA B850 boasts sleek black flat cables that enhance cable management and airflow within the case. This aesthetic appeal can contribute to a cleaner build and better cooling performance, which is a vital consideration for many PC builders. In contrast, the Vetroo 1000W features a fully modular design, allowing users to connect only the cables they need, further reducing clutter. While both power supplies offer solutions for cable management, the Vetroo's modularity might be more attractive to those looking for customizability in their builds.

Warranty and Protection Features

The SAMA B850 comes with a 3-year warranty and includes multiple protection features, such as Over Voltage Protection (OVP), Over Current Protection (OCP), Over Power Protection (OPP), and Short Circuit Protection (SCP). This comprehensive protection plan provides peace of mind for the consumer. The Vetroo 1000W does not specify its warranty period or protection features in the provided data, which makes it difficult to assess its reliability in this regard. Consumers who value warranty and protection assurances may lean towards the SAMA B850.

Which should you buy?

Choosing between the SAMA B850 850W ATX Power Supply and the Vetroo 1000W Black Power Supply ultimately depends on your specific needs and budget. The SAMA B850 offers excellent value at C$74.99, efficient performance with its 80 PLUS Bronze certification, and solid protection features, making it a great choice for users with moderate power requirements. Conversely, the Vetroo 1000W, priced at C$135.99, provides higher power capacity, superior energy efficiency with its 80 PLUS Gold rating, and enhanced compatibility for high-performance builds. If your system demands higher wattage and you are willing to invest more, the Vetroo is the better option.

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SAMA B850 850W ATX Power Supply vs Vetroo 1000W Black Power Supply ATX 3.1 Ready Dual PCIe 5.1 | versusfinder