Hut 8 Expands Partnership with Bitmain, Unveils New ASIC Miner

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Veronika Rinecker is based in Germany, studied international journalism and media management. She specializes in politics and regulation, energy, blockchain, and fintech. Since 2017, she has been...

Hut 8, one of North America’s largest Bitcoin miners, announced on September 19 that it was expanding its partnership with leading mining rig manufacturer Bitmain.

According to Hut 8’s announcement, the collaboration resulted in the launch of the U3S21EXPH, a next-generation ASIC miner designed to increase efficiency and reduce costs.

Hut 8 plans to deploy the model in the second quarter of 2025 through a 15 exahash per second (EH/s) hosting agreement leveraging custom data center infrastructure developed in-house by Hut 8.

Today, Hut 8 is launching a next-generation ASIC miner developed in partnership with @BITMAINtech. The U3S21EXPH will be the first ASIC miner mass-commercialized by BITMAIN to feature direct liquid-to-chip (DLC) cooling within a U form factor.

Hut 8 plans to deploy the model in… pic.twitter.com/810M78NJ9o

U3S21EXPH is the first ASIC miner to feature direct liquid-to-chip cooling within a U form factor, making it a more compact and energy-efficient solution.

The new miner is capable of achieving up to 860 terahash (TH/s) at an efficiency of 13 joules per terahash, significantly outperforming many other ASIC miners on the market. This efficiency rating translates to lower energy consumption and reduced operating costs for miners.

By incorporating artificial intelligence (AI) into data center operations, Hut 8 aims to further optimize efficiency and reduce costs.

“Our partnership with Bitmain has been instrumental in advancing our thinking on ASIC compute and creating a more scalable model for data center design,”