Buy Bitcoin ASIC Miners
Antminer S21, S23 Hyd & S19 Series
Professional-grade Bitmain Antminer Bitcoin miners — from 104 TH/s entry models to the industry-leading 580 TH/s S23 Hyd. Crypto payments accepted. Ships worldwide in 7 days.
Bitcoin ASIC Miners — Full Catalog
Bitcoin ASIC Miner Comparison: Which Model Is Right for You?
Compare hashrate, efficiency, cooling type, and price to find your best match.
| Model | Hashrate | Efficiency | Power | Cooling | Noise | Price | Best For |
|---|---|---|---|---|---|---|---|
| S23 Hyd | 580 TH/s | 9.5 J/TH | 5,510W | Hydro | ~40 dB | $17,400 | Industrial farms |
| S21 XP | 270 TH/s | 13.5 J/TH | 3,645W | Air | 76 dB | $4,590 | Professional setups |
| S21 Plus | 235 TH/s | ~16.5 J/TH | 3,877W | Air | ~75 dB | $2,199 | Best value 2025 |
| S21 (200Th) | 200 TH/s | ~17.5 J/TH | 3,500W | Air | ~75 dB | $2,254 | Mid-scale farms |
| T21 | 190 TH/s | ~19 J/TH | 3,600W | Air | ~75 dB | $2,099 | Budget miners |
| S19 XP 140Th | 140 TH/s | ~21 J/TH | 2,940W | Air | ~75 dB | $1,479 | Entry-level |
| S19j Pro | 104 TH/s | 29.5 J/TH | 3,068W | Air | ~75 dB | $1,229 | Budget farms |
Bitcoin Mining: Your Questions Answered
What is the best Bitcoin ASIC miner for small mining farms?
The Antminer S21 Plus (235 TH/s, $2,199) is the best option for small-to-mid mining farms in 2025. It delivers strong hashrate with 16.5 J/TH efficiency, uses standard 220V air cooling, and comes with a 365-day warranty. The Antminer T21 ($2,099, 190 TH/s) is a budget-friendly alternative for those starting out.
- Requires standard 220–277V AC power — no special infrastructure
- Air-cooled — no plumbing or water loop needed
- Ships SPOT in 7 working days from Letsmines
- 365-day warranty with Bitmain replacement shipping coverage
How much electricity does a Bitcoin ASIC miner use per day?
Most modern Bitcoin ASIC miners consume 3,000–6,000 watts. Daily electricity cost depends on your local rate. At $0.06/kWh (industrial rate), an S21 Plus (3,877W) costs approximately $5.59 per day to run. At $0.12/kWh (residential rate), it’s $11.18/day.
- S23 Hyd: 5,510W = ~$7.93/day at $0.06/kWh
- S21 XP: 3,645W = ~$5.25/day at $0.06/kWh
- S21 Plus: 3,877W = ~$5.58/day at $0.06/kWh
- T21: ~3,600W = ~$5.18/day at $0.06/kWh
Is Antminer S21 XP or S21 Plus better value?
The S21 Plus offers better value per dollar; the S21 XP offers better efficiency per terahash. If electricity is cheap (<$0.06/kWh), the S21 XP’s 13.5 J/TH efficiency makes it superior long-term. If you want lower upfront cost, the S21 Plus at $2,199 delivers 235 TH/s at a fraction of the price.
Bitcoin Miner Buying FAQ
Ready to Start Mining Bitcoin?
From entry-level to industrial scale — Letsmines ships the right miner anywhere in the world, with crypto payment and full warranty support.