SHA-256 · air-cooled
A previous-generation machine at 23 W/TH. Only viable on genuinely cheap power, and the first to fall below break-even when difficulty rises. Buy on price per terahash, not on specification.
Operating profit
-$0.2402
per day · 0.00005916 BTC
Break-even electricity
$0.0564
per kWh · $0.003627 below your rate
Payback period
—
No payback while the machine runs at a loss
Revenue assumes a 1% pool fee at the current BTC price and network difficulty, with the machine running continuously. Payback needs a hardware cost, which we do not publish because we have no verified retailer feed — add your own purchase price in the calculator. Your rate is saved in this browser and applies across the site.
| Manufacturer | Bitmain |
|---|---|
| Model | Antminer S19k Pro |
| Algorithm | SHA-256 |
| Coins | Bitcoin |
| Hashrate | 120 TH/s |
| Power | 2,760 W |
| Efficiency | 23.0 W/TH |
| Cooling | Air |
| Type | ASIC |
| Released | 2023 |
| Home suitable | No — noise and power draw |
Data provenance
Manufacturer figures. Last verified 2026-07-31.
Noise, dimensions, weight and warranty are not listed because we have not verified them for this machine. We would rather leave a field empty than publish a figure you cannot check.
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