Bitmain discounts S19 and S21 rigs amid market turmoil
According to market participants, Bitmain, the largest producer of application-specific integrated circuit (ASIC) devices used for Proof-of-Work (PoW) cryptocurrency mining, has sharply reduced prices for several generations of mining hardware amid industry-wide turmoil in the crypto-mining sector.
As reported by Cointelegraph, crypto-mining operators were offered discounts and bundle deals on all models, including the S19 and S21 series machines.
Even newer flagship mining devices, such as S21 ASIC chips with immersion cooling, were reportedly offered at discounts of around $7 per terahash per second (TH/s), while some hardware batches were auctioned off to mining operators who were able to “name their price,” according to TheMinerMag.
Miner revenues under pressure
The discounts come amid one of the worst profitability periods in the mining industry, as hashprice—the expected revenue per unit of computing power dedicated to mining a block—has fallen to multi-year lows of nearly $35 per terahash per second per day (TH/s/day).

Bitcoin mining hashrate over the past year. Source: Hashrate Index.
Since profitability of around $40 per TH/s/day is generally considered a breakeven level, operators are being forced to consider shutting down operations until market conditions improve or seek ways to reduce electricity costs, often turning to renewable energy sources.
The block reward reduction every four years is usually offset by Bitcoin price growth. However, 2025, which was widely expected to be a year of rapid BTC expansion, ended in losses: the price collapsed from its October peak above $126,000 to the current level of about $87,400.
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