Antminer S19j Pro (104TH/s) – Air‑Cooled Bitcoin Miner
Antminer S19j Pro (104TH/s) provides reliable air‑cooled Bitcoin mining, combining strong hashrate, efficiency, and warranty coverage.
Antminer S19j Pro (104TH/s) Overview
The Antminer S19j Pro (104TH/s) is Bitmain’s proven air‑cooled Bitcoin miner. Unlike older S9 models, this rig integrates advanced chip architecture for higher efficiency. Consequently, miners achieve consistent performance with reduced energy costs. Moreover, its 29.5 J/TH efficiency makes it a competitive choice for SHA‑256 mining in mid‑scale operations.
Key Specifications
- Hashrate: 104 TH/s (±3%)
- Power Consumption: ~3068 W (±5%)
- Power Efficiency: ~29.5 J/TH
- Algorithm/Coins: SHA‑256 | BTC, BCH, BSV
- Cooling: Air‑cooled fans
- Noise Level: ~75 dB
- Networking: RJ45 Ethernet 10/100M
- Dimensions: 400 × 195 × 290 mm
- Weight: ~14.2 kg net / 15.5 kg gross
- Voltage: 220–277 V AC
- Operating Temperature: 0–40 °C
🛒 Purchasing Guidelines
The Antminer S19j Pro (104TH/s) typically costs $2,000–$2,800 per unit, depending on batch and reseller. In addition, Bitmain accepts payments in USD, BTC, ETC, USDC, and USDT. Orders ship on a SPOT basis within 10–30 working days, ensuring timely deployment. However, buyers must prepare customs documentation because Bitmain does not allow cancellations or refunds after submission.
🚚 Shipping Details
Bitmain dispatches the units on a first‑paid, first‑shipped basis, rewarding early payment with priority delivery. Furthermore, customers handle customs clearance, while Bitmain provides Certificates of Conformity for compliance.
🛡 Warranty
Each S19j Pro (104TH/s) carries a 365‑day warranty. Bitmain covers replacement shipping costs during this period. Nevertheless, improper installation, unauthorized modifications, or resale void the warranty.
⚠️ Buyer Considerations
- Air‑cooled design suits mid‑scale farms or mixed setups.
- Profitability depends not only on Bitcoin’s price but also on network difficulty and electricity rates.
- Noise levels (~75 dB) require proper ventilation and sound management.
- Efficiency is lower than newer S21 or S23 models, but pricing makes it attractive for budget‑conscious miners.

















