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Crazy mineral oil rig with eight Nvidia GeForce RTX 3090 graphics cards could be the future of cryptocurrency mining

Cryptocurrency miners in Vietnam have figured out an innovative technique to keep eight RTX 3090s chilly
Cryptocurrency miners in Vietnam have figured out an innovative technique to keep eight RTX 3090s chilly (image via @Y_Leak_VN)
A bunch of Vietnamese cryptocurrency miners quite literally have taken PC hardware to new depths by submerging eight Nvidia GeForce RTX 3090 graphics cards in mineral oil. While their operating parameters are not visible, empirical data tells us that mineral oil can cool PC components with the same efficiency as air or water. Some components also last longer due to the constant, uniform cooling offered by the medium.

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Given the recent uptick in Etherium prices, we've seen a massive uptick in crypto mining, and, as a result, some egregious mining rigs that use multiple graphics cards. Mining is an energy-intensive process that pushes all the hardware associated with it to its limits. That is why it is quite common for miners to undervolt components such as graphics cards to ensure their longevity. While most mining setups use traditional cooling solutions such as the stock cooler fan, a group in Vietnam has taken things to another level.

Twitter leaker @I_Leak_VN has posted a setup that uses eight Nvidia GeForce RTX 3090 graphics cards submerged in mineral oil. We get to see a glimpse of some GPU tuning software (probably MSI Afterburner) on the screen, but the blurry video quality makes it hard to determine parameters such as its temperature, clock speeds, voltage, etc. One person also keeps dousing their hands in the oil repeatedly. While the actual oil is non-conductive, repeated contact with it could introduce impurities that could find their way into critical components. Mineral oil is effective but extremely cumbersome. Linus Tech Tips did an entire series on the topic and their mineral oil cooled PC worked fine for five years without any hiccups.

While the process is incredibly messy, time-consuming, and expensive, prolonged cooling with mineral oil can actually increase the lifespan of some components, which are usually not cooled in a traditional air or water-cooled setup. Therefore, it is ideal for cryptocurrency mining, at least on an enthusiast level. If anything, the Nvidia GeForce RTX 3090 graphics cards used here will be better off than their air-cooled siblings once they are relieved of their mining duties. Getting rid of the oil, however, will be a daunting task.

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Anil Ganti
Anil Ganti - Senior Tech Writer - 686 articles published on Notebookcheck since 2019
I've been an avid PC gamer since the age of 8. My passion for gaming eventually pushed me towards general tech, and I got my first writing gig at the age of 19. I have a degree in mechanical engineering and have worked in the manufacturing industry and a few other publications like Wccftech before joining Notebookcheck in November 2019. I cover a variety of topics including smartphones, gaming, and computer hardware.
contact me via: @AnilGanti, LinkedIn
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 03 > Crazy mineral oil rig with eight Nvidia GeForce RTX 3090 graphics cards could be the future of cryptocurrency mining
Anil Satyanarayana, 2021-03-14 (Update: 2021-03-14)