vsversusfinder

ASRock PRO 750G vs NVVV MDR-20-12 AC to DC DIN-Rail Power Supply 12V 1.67 Amp 20W

Updated August 2026The ASRock PRO 750G is a high-performance power supply ideal for demanding systems, while the NVVV MDR-20-12 is suited for basic low-power applications. Choose based on your specific needs.

The ASRock PRO 750G is a high-performance power supply ideal for demanding systems, while the NVVV MDR-20-12 is suited for basic low-power applications. Choose based on your specific needs.

Why ASRock PRO 750G is better

Power Capacity

750W vs 20W

Efficiency

80 Plus Gold certified

Warranty

3-year warranty

Why NVVV MDR-20-12 AC to DC DIN-Rail Power Supply 12V 1.67 Amp 20W is better

Price

C$21.41 vs C$89.94

Simplicity

Designed for low-power applications

Size

Compact for basic setups

Overall score

ASRock PRO 750G
85
NVVV MDR-20-12 AC to DC DIN-Rail Power Supply 12V 1.67 Amp 20W
40

Specifications

SpecASRock PRO 750GNVVV MDR-20-12 AC to DC DIN-Rail Power Supply 12V 1.67 Amp 20W
BrandASRockNVVV
Form FactorATXDIN-Rail
Input Voltage (VAC)N/A85 to 264
Output Voltage (VDC)1212
CompatibilityATX 3.1, PCIe 5.1Basic devices

Dimension comparison

ASRock PRO 750GNVVV MDR-20-12 AC to DC DIN-Rail Power Supply 12V 1.67 Amp 20W

Overview of the ASRock PRO 750G and NVVV MDR-20-12

The ASRock PRO 750G and NVVV MDR-20-12 are both power supplies designed for different applications. The ASRock PRO 750G, priced at C$89.94, is tailored for high-performance computer systems, while the NVVV MDR-20-12, available for just C$21.41, serves lower-power requirements, often used in industrial settings. Understanding their specifications and intended uses is crucial for making an informed decision.

Power Capacity and Efficiency

The ASRock PRO 750G boasts a substantial power capacity of 750W, making it suitable for medium to high-performance systems. With an 80 Plus Gold certification, it achieves up to 90% energy efficiency, which significantly reduces operating costs and energy waste. In contrast, the NVVV MDR-20-12 delivers a maximum output of only 20W with an output current of 1.67 Amps. This stark difference highlights that the ASRock PRO 750G is designed for demanding applications, while the NVVV is more appropriate for basic needs.

Compatibility and Use Cases

The ASRock PRO 750G is compatible with ATX 3.1 and PCIe 5.1 standards, ensuring it can support the latest components and technologies. This power supply is well-suited for gaming rigs and professional workstations that require reliable power for high-performance graphics cards, thanks to its native 12V-2x6 connection capable of delivering up to 450W. On the other hand, the NVVV MDR-20-12 is designed for smaller-scale applications, ideal for devices requiring a steady 12V supply, such as sensors or small controllers, but lacks the versatility for modern gaming setups.

Cooling and Noise Management

The ASRock PRO 750G features a 120mm silent cooling fan designed for low-noise operation while maintaining effective heat management. This is particularly advantageous in environments where noise levels need to be kept to a minimum, such as gaming setups or home offices. In contrast, the NVVV MDR-20-12 does not have cooling specifications listed, which may make it less optimal for continuous operation in demanding conditions. The cooling efficiency of the ASRock PRO 750G is a significant factor for users who prioritize system stability and quiet operation.

Build Quality and Warranty

The ASRock PRO 750G comes with a 3-year warranty, which provides assurance of its build quality and reliability over time. This warranty reflects the manufacturer's confidence in the product and is an important consideration for users investing in a power supply for high-performance systems. Conversely, the NVVV MDR-20-12 does not specify any warranty details, which could imply a lesser emphasis on long-term reliability. For consumers, the assurance provided by the ASRock warranty could be a deciding factor.

Price and Value Proposition

At C$89.94, the ASRock PRO 750G carries a higher price tag compared to the NVVV MDR-20-12, which is priced at only C$21.41. However, the higher price of the ASRock is justified by its superior performance, efficiency, and compatibility with modern systems. The NVVV, while significantly cheaper, is limited in capability and is best suited for specific low-power applications. Ultimately, the price difference reflects the intended use and performance expectations of each power supply.

User Experience and Support

The ASRock PRO 750G offers direct support via Amazon, enabling customers to seek assistance with any questions or issues they may encounter. This kind of customer service is valuable for users who may need technical help when setting up their systems. The NVVV MDR-20-12 lacks specified support options, which could leave potential buyers uncertain about post-purchase assistance. The availability of support can greatly enhance the user experience, particularly for those less familiar with power supply installations.

Which should you buy?

Choosing between the ASRock PRO 750G and NVVV MDR-20-12 ultimately depends on your specific needs. If you require a robust power supply for a high-performance computer system with modern components, the ASRock PRO 750G is the clear choice due to its 750W capacity, excellent efficiency, and compatibility with advanced standards. However, if you only need a simple power supply for a low-power application, the NVVV MDR-20-12 offers an economical solution at C$21.41. Consider the intended use, performance requirements, and budget before making a decision.

versusfinder.com is a participant in the Amazon.ca Associates Program. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

ASRock PRO 750G vs NVVV MDR-20-12 AC to DC DIN-Rail Power Supply 12V 1.67 Amp 20W | versusfinder