14 Bitcoin ASICs Profitable at $0.04/kWh; Hashprice $36.46

On April 23, 2026, Bitcoin’s hashprice hit $36.46 per PH/s, making 14 tracked ASIC miners profitable at $0.04/kWh; Bitmain’s S23 Hydro 3U tops the list at $31.62/day.

On April 23, 2026, Bitcoin’s hashprice reached $36.46 per petahash per second. Using an electricity cost of $0.04 per kilowatt-hour, profitability calculations for 14 tracked ASIC models show positive daily returns across the group.

Bitmain’s Antminer S23 Hydro 3U led the list with an estimated $31.62 per day. The unit is rated at about 1.16 PH/s, draws roughly 11,020 watts and lists an efficiency near 9.5 joules per terahash.

MicroBT’s Whatsminer M79S produced an estimated $29.91 per day. It is rated at 1.35 PH/s, draws about 20,000 watts and has an efficiency around 14.8 J/TH.

Bitdeer’s Sealminer A4 Ultra Hydro, scheduled for May 2026 release, appears near the top based on published specs. The model is listed at 886 TH/s with an 8,372-watt draw and an efficiency of about 9.45 J/TH, with an estimated $24.20 per day if deployed at current conditions.

Other machines and their estimated daily profits at $0.04/kWh include Bitmain’s Antminer S23e Hydro 2U at $23.17 and S21e XP Hydro 3U at $20.56. MicroBT’s Whatsminer M79 is estimated at $19.55. Block’s Proto Rig is estimated at $18.28 and is the only air-cooled unit among the 14; it is listed as immersion-ready and features hot-swappable hashboards.

Additional entries and estimates include Bitdeer’s Sealminer A4 Pro Hydro at $17.62 and A3 Pro Hydro at $16.09; MicroBT’s Whatsminer M7DS at $15.91 and M7D at $14.23; Bitmain’s S23 Hyd at $15.81; Bitmain’s S21 XP+ Hydro at $12.91; and MicroBT’s M73S+ at $12.73.

Thirteen of the 14 machines in the ranking are specified for hydro-cooling or immersion-style cooling in manufacturer specifications. The group includes recent releases and several models with scheduled releases, which are included based on published performance specs.

The profitability figures are based on the hashprice level recorded on April 23 and the assumption of $0.04 per kWh electricity. Returns are affected by bitcoin’s market price, network difficulty and hash rate, electricity costs and machine uptime. Profitability rankings will change if any of those variables move.

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