Antminer S21 (AIR) – 151 TH/s
Bitmain · Air cooled
$819.00
Estimated income: ≈ $5.48 per day before electricity
Orders over $10,000 can be paid in 4 installments (Pay later, subject to approval). How Pay later works
The Antminer S21 (AIR) is a Bitmain ASIC miner for Bitcoin (BTC), running the SHA-256 algorithm at 151 TH/s. As an air-cooled miner it is simple to deploy, but it is loud and gives off a lot of heat, so most owners run it in a hosting data center rather than at home. We ship it to you or directly to your hosting provider.
Antminer S21 (AIR) – Specifications
| Manufacturer | Bitmain |
|---|---|
| Coin | Bitcoin (BTC) |
| Algorithm | SHA-256 |
| Hashrate | 151 TH/s |
| Power | 2,681 W |
| Cooling | Air cooled |
| Warranty | 6-year MinerNexus warranty |
| Efficiency | 17.8 J/TH |
Antminer S21 (AIR) profitability calculator
| Income per day | $5.48 |
|---|---|
| Electricity per day (0.06 $/kWh) | $3.86 |
| Net profit per day | $1.62 |
| Net profit per month | $48.58 |
| Payback time | 506 days |
Estimates use the current network difficulty and coin price. Mining income changes daily and is not guaranteed.
Why buy from MinerNexus
- 6-year MinerNexus warranty on all hardware faults under normal use.
- 7-day returns and a money-back guarantee if we don’t deliver as promised.
- Worldwide shipping to your address or straight to your hosting provider. Shipping is quoted after the order.
- Pay by SEPA bank transfer (invoice) or in crypto, including Bitcoin and Litecoin. MinerNexus is run by Circlehash LLC, a registered US company.
Antminer S21 (AIR): frequently asked questions
Is the Antminer S21 (AIR) profitable?
The Antminer S21 (AIR) 151 TH/s currently earns about $5.48 per day before electricity. At $0.06 per kWh it uses $3.86 of power per day, so the net result is about $1.62 per day. Enter your own electricity price in the calculator above.
Can I run the Antminer S21 (AIR) at home?
You can, but it is very loud and gives off a lot of heat. Most owners run it in a hosting data center with cheaper industrial power.
How long does shipping take?
In-stock miners ship after payment is confirmed. We email you the shipping cost and a delivery estimate after you order, before you pay.
What warranty does the Antminer S21 (AIR) have?
Every miner has a 6-year MinerNexus warranty on all hardware faults under normal use, on top of the manufacturer warranty, plus 7-day returns.
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