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Mining PSUs (Power Supply Units) are designed specifically to cater to the power requirements of mining setups. Here's a detailed PSU for crypto mining types and their specifications.
Molex Mining PSU
The Molex mining PSU is a PSU with several Molex connectors. The PSUs aimed at cryptocurrency mining have many 6-pin Molex connectors to feed power directly to the graphics cards. The purpose of these PSUs is to ensure that the graphics cards receive stable and sufficient power for mining purposes.
ATX Mining PSU
An ATX PSU (Power Supply Unit) is a standard power supply unit for desktop computers. ATX PSUs come in various wattages to cater to different mining rig power needs. Various cryptocurrency mining rigs rely on the power of ATX PSUs. They are popular among miners who use CPUs or GPUs for mining.
Server Mining PSU
Known for their robustness and efficiency, server PSUs are created for server farm applications. DC-output PSUs are typically more efficient, but they need an unusual set of parts to use. Nevertheless, with the appropriate adapters, they can be used to mine cryptocurrencies.
Modular PSU
These allow unnecessary cables to be removed, enhancing cable management and airflow within the mining rig. These PSUs aid in minimizing the amount of additional, unused wiring that clutters inside the mining setup.
Non-Modular PSU
Simple and affordable, non-modular PSUs come with fixed cables. They do the job but offer cable management flexibility like modular PSUs. These provide power for cryptocurrency mining rigs without additional features or extras.
The function of a mining PSU is to supply stable and consistent power. Its functions and features include the following:
Multiple Rails
A PSU for mining often has multiple rails with separate over-current protection (OCP) for each 8-Pin PCIe Power Connector. It allows users to plug and unplug several cables simultaneously without fearing a shock. Mining PSUs have multiple rails so that users can distribute the power among different devices.
Modular Design
A modular design provides flexibility and allows users to use only the cables they need. These PSUs have a fully modular design, which means all cables should be detachable. It helps minimize the clutter inside the mining rigs and allows miners to have better airflow. However, some mining PSUs are semi-modular. Only the power cables are detachable in this design.
High Efficiency
Mining PSUs need to be highly efficient because they run for long hours. Low-efficiency PSUs waste much energy in the form of heat. A highly efficient PSU has less energy loss and generates little heat. High efficiency means using less electricity and reducing the system's overall cost.
Capacitors
Mining PSUs use Japanese capacitors because of their reliability at high temperatures. They also offer better long-term performance. Investment in a mining PSU with better-quality capacitors will save money in the long run because it will provide stable power.
Silent Operation
Most mining PSUs operate silently because they have no fan or a fan-less mode. PSUs without a fan can run for many years without requiring any maintenance. However, the PSUs with a fan often have a thermal-controlled fan. The fan runs only when the PSU attains a specific temperature. It keeps the PSU cool while making little noise.
Form Factor
The form factor of a PSU denotes the physical dimensions and layout of the product. It influences the compatibility of the PSU with mining cases and motherboards. Some common form factors of mining PSUs are the following:
Energy-Saving Features
A mining PSU with energy-saving features can reduce overall operating costs. These features include Eco Mode, which allows the PSU to run with low power at idle. It also includes a low standby power consumption feature, which allows the PSU to draw less power from the wall in standby mode.
Mining power supply units are intended specifically for cryptocurrency mining farms and have broad applications in this sector. However, the applications of mining PSUs extend beyond that. Here are a few applications of mining power supply units:
Cryptocurrency Mining
The prominent application of the mining PSU is in crypto mining. These PSUs provide stable and constant power required to mine cryptocurrencies like Bitcoin and Ethereum, among others. A reliable PSU ensures mining rigs operate optimally and less downtime is encountered.
Industrial Electric Projects
Mining PSUs can be used in industrial electric projects. Whenever there are projects that require an electric supply for utilities like heavy machinery or mining drills, power supply units that are meant for mining are preferred. This is due to their ability to provide stable electric power for long durations.
Off-grid Power Systems
Power supply units made for mining can be used in off-grid electric systems, in particular in areas where grid electric power is unavailable or unreliable. These PSUs can be integrated into off-grid power systems like solar or wind power in order to provide a constant electric power to charge batteries or power electric loads.
Uninterruptible Power Supply (UPS)
Mining PSUs are utilized in uninterruptible power supply systems. They help provide backup power in case grid power fails to ensure that there is no disruption in business operations. These PSUs help ensure that critical systems and electric components continue running even during power outages.
Data Centers
Data centers require a stable and continuous power supply to run server outfits that function 24/7 without any interruptions. Mining PSUs can be integrated into their setup to serve as a backup power supply, essentially safeguarding the data by keeping it operational even during power outages.
Remote Workstations
In remote workstations where access to grid power is unavailable, mining PSUs can help supply electric power to such workstations, ensuring that equipment and electric utilities run without any problems.
Rig compatibility:
The mining PSU is compatible with the mining rig. The PSUs work with various types of rigs, such as those based on specific architectures or requiring certain power connectors. When selecting a mining PSU, one should ensure it is compatible with the chosen mining rig for seamless operation. The PSU provides the necessary power and has the appropriate connectors and specifications to match the rig's requirements.
Wattage capacity:
To avoid overloading the PSU, the total wattage of the PSU should be greater than the total wattage requirement of all the GPUs. The GPUs are the most power-hungry components in a mining rig. It is important to note that, under peak load, PSU efficiency may drop, so choosing a PSU with ample wattage is essential to ensure stable operation. Additionally, using a mining PSU can provide better wattage distribution among the various GPU models if the rig uses multiple GPUs.
Modular connectors:
Miners should look for PSUs with modular connectors because it allows them to use only the cables they need to minimize clutter. Modular PSUs also enable different cable arrangements, improving airflow within the rig. It is essential to ensure the cables are compatible with the PSU. Using only the required cables can simplify the rig's setup and organization while ensuring compatibility and optimal cable management.
Dual power supplies:
For large mining operations utilizing multiple rigs or requiring extensive power, using dual power supplies can provide redundancy and greater wattage capacity. One can distribute the load between two PSUs to avoid overloading a single unit. Additionally, in case of a failure or malfunction, having dual power supplies ensures continuous power to the mining operation. It is crucial to configure them properly to ensure seamless power distribution and backup in case of an issue.
Efficiency rating:
The power supply unit (PSU) efficiency rating is crucial in determining its optimal power supply. The rating signifies how well the PSU converts alternative current (AC) power from the wall into stable DC power for the computer. A higher efficiency PSU wastes less power as heat and consumes less electricity. This can be particularly beneficial for users running their PSU continuously for longer hours, as it can lead to significant energy savings over time. Miners should consider the PSU's efficiency rating when choosing the optimal PSU for their mining rig.
Mining certified:
Choosing a PSU that is certified for mining can make a difference in the rig's overall performance. The certifying bodies test and validate the PSU for its specific mining functionality. While not mandatory, such PSUs often come with added features like enhanced cooling, stable power delivery, and better support for multi-GPU setups. These features can contribute to more effective and trouble-free mining operations. Opting for a mining-certified PSU can be a practical choice to improve the mining experience.
Q1 What is the ideal PSU wattage for mining?
A1 The PSU required for mining depends on the number of GPUs or cards being used, their individual wattage, and the rest of the rig's components. The total wattage of all these components will determine the PSU size to mine effectively.
Q2 Is a higher efficiency PSU mining better?
A2 Higher efficiency means less energy waste in terms of power consumption. This translates to higher profitability for the miner. In many cases, the mining PSU is the most efficient because it has to handle heavy loads consistently. It is better to choose a PSU with higher efficiency, as it will help minimize power consumption and costs.
Q3 How many PSUs can be connected to a mining rig?
A3 It is possible to use two or more PSUs simultaneously to mine but only under specific conditions. Each PSU will require a separate 110V or 220V power cord. They should be connected using a Y adapter to run the rigs, and they must be capable of starting up together. They should also have the capability of powering the rig without dividing the load.
Q4 What is the best power supply for Ethereum mining?
A4 The best power supply for mining an equivalent Ethereum PSUs would be one that is stable, efficient, and specifically designed for mining. It should have sufficient wattage and multiple PCIe power connectors.
