Bitmain
Antminer T21
The Antminer T21 by Bitmain runs the SHA256 algorithm, delivers 190 TH/s, draws 3610W, at 19.0 J/TH efficiency. It mines BTC. Available for purchase from MinerHaolan with fast international shipping from Hong Kong and manufacturer warranty included.
Algorithm
SHA256
Hashrate
190 TH/s
Power
3610W
Available Coins
SSL Secured
256-bit encryption
6-12 Month Warranty
Full coverage
Free Shipping
Orders over $5,000
Buyer Protection
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Bitmain's T-series Bitcoin ASIC delivering 190 TH/s at 19.0 J/TH efficiency with 3610W power consumption. Operates on 380-415V three-phase power. Mines SHA256 cryptocurrency: BTC, BCH, BSV. Air-cooled with four high-performance fans. Offers a balanced middle ground between the high-end S-series and entry-level models—solid hashrate at competitive power efficiency without the premium price of flagship units. Suitable for home miners and small operations willing to run three-phase power. Ethernet-connected for monitoring.
Key Features
- Industry-leading 19.0 J/TH energy efficiency
- Powerful 190 TH/s hashrate for maximum profitability
- Advanced thermal management with 4x Fans
- Easy setup and management via web interface
Profitability Calculator🟢 Live Data
Estimates for Antminer T21, from live network hashrate and price
| Metric | Daily | Monthly | Yearly |
|---|---|---|---|
| Income | $6.88 | $209.41 | $2,511.01 |
| Electricity | -$6.93 | -$210.99 | -$2,529.89 |
| Profit | -$0.05 | -$1.57 | -$18.88 |
* Revenue from live network hashrate, block time and block reward (source: WhatToMine), assumes a 1% pool fee, and extrapolates today's difficulty and price flat for the monthly/yearly figures. Estimates only, not a guarantee of earnings.
Compare with similar miners
Same algorithm, closest hashrate. Estimated profit assumes $0.08/kWh electricity and live network data.
Bitmain
Bitmain Antminer T21 Bitcoin Miner
- Hashrate
- 190Th/s
- Power
- 3610W
- Efficiency
- 19 J/TH
- Cooling
- 2 x High-Speed Cooling Fans
- Price
- $1,889.10
Bitmain
Bitmain Antminer S19 Pro+ Hyd 191TH Bitcoin Miner
- Hashrate
- 191Th/s
- Power
- 5252W
- Efficiency
- 27.5 J/TH
- Cooling
- water cooling
- Price
- $1,349.10
MicroBT
MicroBT Whatsminer M60S Bitcoin Miner
- Hashrate
- 186Th/s
- Power
- 3441W
- Efficiency
- 18.5 J/TH
- Cooling
- 2 x High-Speed Cooling Fans
- Price
- $1,619.10
MicroBT
Whatsminer M60S+
- Hashrate
- 186 TH/s
- Power
- 3441W
- Efficiency
- 18.5 J/TH
- Cooling
- Air
- Price
- $2,199.00
MicroBT
Whatsminer M60S
- Hashrate
- 186 TH/s
- Power
- 3422W
- Efficiency
- 18.4 J/TH
- Cooling
- Air
- Price
- $1,799.00
Bitmain
Bitmain Antminer S21 BTC Miner (195Th/s)
- Hashrate
- 195Th/s – 188Th/s
- Power
- 3412-3290W
- Efficiency
- 16.9 J/TH
- Cooling
- 4 x High-Speed Cooling Fans
- Price
- $3,509.10
Bitmain
Bitmain Antminer S21 Bitcoin Miner (195Th)
- Hashrate
- 195Th/s
- Power
- 3412W
- Efficiency
- 17.5 J/TH
- Cooling
- Air
- Price
- $3,509.10
Canaan
Avalon A15
- Hashrate
- 195 TH/s
- Power
- 3700W
- Efficiency
- 19.0 J/TH
- Cooling
- Air
- Price
- $1,099.00
Customer Reviews
Sign in to write a review4.3
Based on 30 reviews
Winter operation is effortless
Running the Antminer T21 through a Minnesota winter and honestly it's easier than summer. The waste heat keeps the container at ideal temps even at -20°F outside. We actually reduced cooling power during winter months, which improved our efficiency numbers.
After-sales support is excellent
The after-sales support for my Antminer T21 has been excellent. MinerHaolan follows up to ensure satisfaction. This level of care is uncommon in this industry.
Solid workhorse, nothing flashy
The Antminer T21 isn't going to win any design awards, but it's a solid workhorse. Does exactly what it's supposed to do — mine consistently, day after day. Sometimes boring reliability is exactly what you want from mining hardware.
Reliable seller, highly recommend
After researching sellers extensively, I chose MinerHaolan for my Antminer T21. No regrets - reliable, professional, and trustworthy. They've earned a repeat customer.
Scaled from 1 to 3 containers in a year
Started with one Antminer T21 last year and we're now running three. The modularity is the real selling point — each container is its own self-contained data center. Our total hash rate tripled without any of the headaches of traditional facility expansion.
Frequently Asked Questions about Antminer T21
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