Antminer S19j Pro Review and Specs 2026
Bitmain · Released 2021-08 · Air-cooled Bitcoin ASIC
Full Specifications
| Manufacturer | Bitmain |
| Model | Antminer S19j Pro |
| Algorithm | SHA-256 |
| Cooling Type | Air Cooling |
| Hashrate | 100 TH/s |
| Power Consumption | 3,050 W |
| Efficiency | 30.5 J/TH |
| Noise Level | 75 dB |
| Dimensions | 400×195×290 mm |
| Weight | 13.2 kg |
| Est. Market Price | $1,000 |
| Release Date | 2021-08 |
| Spec Confidence | ✓ Verified |
Where to Buy Antminer S19j Pro
Compare prices across trusted ASIC marketplaces. Prices vary — check each source for current availability.
Large used ASIC inventory. Good for budget buyers.
Shop now →Curated new and refurbished hardware with verified specs.
Shop now →Direct from manufacturer. Warranty included. Lead times vary.
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ROI Analysis
Based on current network difficulty. Assumes Abundant Miners hosting at $225/month flat fee.
Pros & Cons
Pros
- +100 TH/s baseline hashrate
- +Cheapest entry point into modern mining
- +Widely supported by all facilities
- +Massive install base — easy to find support
Cons
- −30.5 J/TH relatively inefficient by 2026 standards
- −Narrow to negative margins at typical hosting rates
- −Should only be considered at sub-$0.05/kWh power
Best For / Worst For
Entry-level operations on very tight budgets or sub-$0.05/kWh electricity
Standard hosted environments — running cost margins are very thin
Frequently Asked Questions
Is the Antminer S19j Pro profitable in 2026?
Profitability depends on live BTC price and network difficulty. At $100,000 BTC the Antminer S19j Pro generates approximately 5.53 USD per day gross revenue at 100 TH/s. With typical hosted electricity costs, net daily profit depends heavily on your hosting rate. Use our calculator above for your specific scenario.
How much does the Antminer S19j Pro earn per day?
The Antminer S19j Pro mines approximately 0.00005526 BTC per day at current network difficulty (~113.7 EH). At $100,000 per BTC that's roughly $6 gross per day before electricity and hosting costs. Check the live calculator above for current BTC price.
What hosting providers support the Antminer S19j Pro?
The Antminer S19j Pro uses Air Cooling. Compatible hosting providers include Abundant Miners, Compass Mining, Core Scientific. Abundant Miners is recommended for air-cooled miners at a flat $225/month all-in rate.
What is the efficiency of the Antminer S19j Pro?
The Antminer S19j Pro achieves 30.5 J/TH (joules per terahash), meaning it uses 30.5 joules of energy for every terahash of mining power. Newer generation hardware offers better efficiency.
Running the numbers on Antminer S19j Pro?
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