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May 27, 2026, 03:21:49 PM |
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Hi everyone,
I am currently testing multiple Antminer S21 XP Hyd units to evaluate whether they are viable for a full container-scale deployment.
To start, I ordered 36 units to match the capacity of a small-scale hydro cooling setup. I have been running tests across these units using different firmware options: Stock firmware, VNish, and Braiins OS.
Surprisingly, in almost every scenario, the real-world efficiency rarely matches the manufacturer's official specifications.
Out of the entire batch, only 1 or 2 units running on the stock firmware manage to hit the advertised efficiency numbers. Furthermore, even for those select few units, achieving that spec efficiency is only possible when the ambient temperature remains strictly under 30°C.
I wanted to reach out and check with the community:
What are your experiences with the S21 XP Hyd?
Are other Antminer users actually seeing performance and efficiency that match the official spec sheets in your setups?
Looking forward to hearing your insights and results.
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