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Exploring Antminer hardware reviews, including the obsolete Antrouter R1 and modern S21 Pro, alongside the benefits of using ASIC resellers like Antminer
The cryptocurrency mining landscape has shifted significantly by 2026, rendering older devices like the Bitmain Antrouter R1 obsolete while driving demand for high-performance models like the Antminer S21 Pro [1]. As miners seek advanced hardware, third-party resellers such as Antminer Distribution have emerged as key partners for sourcing equipment, offering logistical advantages over direct manufacturer purchases [2].
Key takeaways
Bitmain’s Antrouter R1, released in late 2015, serves as a case study for the rapid pace of mining technology. Originally sold for $39–$48, the device offers a hash rate of only 5.5 GH/s and consumes about 4W of power [1]. By 2026, this output is vastly underpowered compared to modern miners operating in the terahash range, making the R1 unprofitable even with zero electricity costs [1]. The device is restricted to AntPool Solo Mode, meaning users cannot join mining pools
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AI-assisted synthesis by the TrendWatcher Editorial Desk · sourced from 2 outlets · Jun 12, 2026 · How we report
An Antminer is a series of ASIC (application-specific integrated circuit) mining machines developed by Bitmain specifically for mining cryptocurrencies that use the SHA-256 algorithm, such as Bitcoin.
Bitmain was founded in 2013 by Micree Zhan and Jihan Wu.
No, Bitmain's 2018 application for an initial public offering in Hong Kong lapsed in 2019, though reports have indicated subsequent efforts to go public in the United States.
The Antminer S21 is a series of air-cooled and hydro-cooled ASIC miners announced in 2023 that offers improved energy efficiency compared to previous generations of Bitmain hardware.