Bitmain’s Latest Air-Cooled Antminer Set to Ship in Q1 2024
Bitmain, the prominent Chinese Bitcoin mining equipment manufacturer, has officially unveiled its latest innovation, the Antminer T21.

Heat tolerance
The company confirmed in an announcement made on Thursday that the state-of-the-art air-cooled Bitcoin miner will ship during the first quarter of 2024. The Antminer T21 is expected to make waves in the world of cryptocurrency mining given that it can withstand scorching temperatures of up to 45 degrees Celsius.
During a facility tour, the firm tweeted out on Friday: “Although it is so hot here, ANTMINER is still running stable!”
The context of the comment relates to an installation of the new miner’s predecessor at a Moonwalk Systems facility in the arid heat of the United Arab Emirates (UAE). Moonwalk is utilizing water cooling to overcome the local conditions. However, it’s in environments like this one that Bitmain is likely to envisage its latest Antminer performing well.
Energy efficiency
Another standout feature of the Antminer T21 is its energy efficiency. With a stellar energy efficiency ratio of 19 joules per terahash (J/TH), it outpaces its predecessor, the Bitcoin Miner S21 Hyd, which offers an energy efficiency of 16.0 J/TH. This efficiency means miners can maximize their returns while minimizing their energy costs. Additionally, the Antminer T21 boasts an impressive processing power of 190 terahashes per second (TH/s), a crucial factor in the competitive world of Bitcoin mining.
The compatibility of the Antminer T21 with the SHA256 mining algorithm, used in the proof-of-work (PoW) consensus mechanism for cryptocurrencies like Bitcoin, Bitcoin Cash, and Bitcoin SV (BSV), adds to its appeal.
Notably, Bitmain has extended a helping hand to pre-order buyers of the Antminer T21 by offering Bitmain’s Price Protection Plan. This plan, available until November 25, aims to support miners in times of cryptocurrency market volatility. The plan shields customers from price fluctuations in Bitcoin for periods of one, three, or six months.
Company difficulties
Founded in Beijing in 2013, Bitmain swiftly rose to prominence as a global leader in producing Bitcoin (BTC) mining ASICs. However, the company faced internal turmoil due to a power struggle between its co-founders, Wu Jihan and Ketuan Zhan. The situation was eventually resolved in 2021, with Jihan Wu stepping down from his roles as chairman and CEO of Bitmain and selling his ownership share to Zhan for $600 million.
ASIC miner manufacturers like Bitmain have also had to grapple with the backdrop of a challenging market environment that has seen plummeting prices paid for mining equipment over the past two years.
Bitmain has faced scrutiny regarding its treatment of employees. Recent reports from local sources and Bitmain employees revealed that the company issued a notification in September indicating negative operating cash flow. In response to these financial challenges, Bitmain delayed the disbursement of a portion of its employees’ September salaries, raising concerns about the financial stability of the organization. In April of this year, it emerged that the Chinese authorities had imposed a fine on the company due to tax irregularities.


