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Bitdeer Just Broke the Efficiency Barrier [FOCUS]
Published: April 20, 2026
Duration: 8:37
SEALMINER A4 Ultra Hydro: https://www.bitdeer.com/shop/product/P260328000003
In this episode of HashrateUp, Jesse breaks down the newly released Sealminer A4 Ultra Hydro by Bitdeer — the first hydro-cooled ASIC to break below the 10 J/TH efficiency threshold.
Jesse walks through the hardware specs, the economic model at current hash price, and what the sub-10 class actually means for payback periods, break-even, and long-term Bitcoin accumulation — including his BTC-denominated ROI framework.
0:00 Introduction & machine overview
1:08 Hardware walkthrough & form factor
2:14 Specs, tolerances & chip variance
4:02 Economic model at curr...