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Power
3610W
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Hashrate
190.00 TH/s
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Efficiency
19 J/T
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Algorithm
SHA-256
Bitmain Antminer T21 190TH/s Bitcoin Miner
from US$950.00
Top Hashrate : Up to 100% better than the previous generation
High Stability : Supports 24/7 continuous operation
Warranty : Come with 365 days factory warranty.
T21 Profitability Calculator
Daily Earning
ROI
Electricity
Electricity ratio
Net Profit
Miner Profitability History
Bitmain Antminer T21 (180Th) is an ASIC miner designed for SHA-256 algorithm, specifically targeting BTC (Bitcoin) . It delivers a maximum hashrate of 180Th/s while consuming 3420W of power, resulting in an energy efficiency of 19j/Th.
Technical Specifications
| Product Glance | Value |
|---|---|
| Model | T21 |
| Crypto algorithm/coins | SHA-256|BTC/FB/NMC |
| Typical hashrate | 190.00 TH/s |
| Power on wall @35℃, Watt | 3610W |
| Power efficiency on wall@35℃ | 19.0J/TH |
| Detailed Characteristics | Value |
|---|---|
| Power Supply | |
| Phase | 3 |
| Input voltage, Volt | 380~415V |
| Input frequency range, Hz | 50~60Hz |
| Input max current, Amp | 12 |
| Hardware Configuration | |
| Networking connection mode | RJ45 Ethernet 10/100M |
| Server size(length*width*height, w/o package), mm | 400*195*290 |
| Server size(length*width*height, with package), mm | 570*316*430 |
| Net weight, kg | 16.4 |
| Gross weight, kg | 18.1 |
| Environment Requirements | Value |
|---|---|
| Storage temperature, °C | -40~85°C |
| Operation humidity(non-condensing), RH | 10~90% |
| Operation temperature,°C | 0~45°C |
| Operation altitude, m | ≤2000 |
| What's in the Box | Value |
|---|---|
| Original factory mining machinery | ✓ |
| Power supply | ✓ |
| Shockproof packaging | ✓ |
(1) The hashrate value, power on wall, and power efficiency on wall are all typical values. The actual hashrate value fluctuates by ±3%, and the actual power on wall and power efficiency on wall fluctuate by ±5%.
(2) Caution: Wrong input voltage may cause server damaged.
(3) The noise is loudest when the fan is under maximum RPM(rotation per minute).
(4) When the server is used at an altitude from 900m to 2000m, the highest operating temperature decreases by 1℃ for every increase of 300m.
Estimated dispatch and delivery
Please select the applicable product batch. Future-batch and pre-order products follow the manufacturer’s actual release and dispatch schedule. Manufacturer delays may occur, and BT ECOMMERCE CO., LIMITED is not responsible for losses arising from those delays. If no batch selection is shown, the product is treated as in stock.
Shipping
New in-stock miners are normally dispatched within 1–3 business days after full payment is verified. Used in-stock miners require testing and are normally dispatched within 3–7 business days after full payment is verified. After dispatch, delivery usually takes 5–7 business days, subject to customs clearance and local carrier conditions. A tracking number will be emailed after shipment.
Cancellation, returns and faults
All sales are final and non-refundable. A cancellation may be requested before the order is handed to the carrier and is subject to a 25% cancellation fee. Orders cannot be cancelled after handover to the carrier. If a miner is faulty on arrival, contact us promptly. After diagnosis, eligible cases will be handled by repair or replacement only; no refund will be issued. Contact store@bt-miners.com for assistance.
VIABTC
ViaBTC
PPS+
Block Reward Fee: 4%
Transaction Fee Reward Fee: 2%
PPLNS
Pool Fee: 2%
Fees may vary by coin and mining method.
ANTPOOL
ANTPOOL
Multiple payment methods available.
Payment Methods: PPS+, PPLNS and other methods depending on coin
Pool Fee: Varies by coin
Minimum Payout: Varies by coin
Payout Schedule: Varies by coin
F2POOL
F2Pool
Multiple payout methods available.
Reward Scheme: Varies by coin
Pool Fee: Varies by coin and payout method
Minimum Payout: Varies by coin
Payout: Automatic payouts when the threshold is reached
Antminer T21 Description
Antminer T21 DescriptionThe Bitmain Antminer T21 offers a dependable blend of hashrate, efficiency, and long-term operating stability for SHA-256 mining. Positioned as part of Bitmain’s T-series, it emphasizes durability and predictable performance, delivering 190TH/s under a power load of 3610W. Its air-cooled structure supports continuous 24/7 mining, provided the installation environment includes adequate airflow and industrial-grade electrical capacity.
The T21 is best suited for farms or dedicated mining rooms where operators can manage heat and noise effectively. While electricity optimization remains a key factor in BTC mining economics, the T21’s energy profile provides miners with a consistent baseline for operational planning without making revenue assumptions.
BT-MINERS enhances the ownership experience with thorough pre-shipment testing, secure packaging, and worldwide delivery options.
Antminer T21 vs S21 200T
The Antminer T21 focuses on steady performance and affordability, while the S21 prioritizes higher efficiency and stronger hashrate. Miners seeking maximum output per watt typically choose the S21, while those optimizing cost and deployment scale often select the T21 for balanced, long-term operation.
| Field | Antminer T21 | Antminer S21 |
|---|---|---|
| Model | T21 | S21 |
| Hashrate | 190TH/s | 200TH/s |
| Power | 3610W | 3500W |
| Efficiency | 19.0 J/TH | 17.5 J/TH |
| Noise | High airflow noise | High airflow noise |
| Cooling | Air-cooled | Air-cooled |
| Voltage | 380–415V | 200–240V |
| Best For | Cost-efficient BTC expansion | Maximum efficiency BTC mining |
| Notes | Stable T-series output | Premium S-series performance |
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Processing & Shipping Time
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Payment Policies
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Taxes and Custom Duties
Order Processing
New in-stock miners are normally dispatched within 1–3 business days after full payment is verified. Used in-stock miners require testing and are normally dispatched within 3–7 business days after full payment is verified. Future-batch and pre-order products follow the manufacturer’s actual release and dispatch schedule. Manufacturer delays may occur, and BT ECOMMERCE CO., LIMITED is not responsible for losses arising from those delays.
Shipping Carriers
Orders are shipped through reputable international carriers such as DHL, UPS or FedEx. A tracking number will be emailed after dispatch.
Estimated Delivery
Delivery usually takes 5–7 business days after dispatch. Customs clearance and local carrier conditions may affect the actual delivery date.
Cancellation and Faults
All sales are final and non-refundable. A cancellation may be requested before handover to the carrier and is subject to a 25% cancellation fee. Orders cannot be cancelled after handover to the carrier. Faulty-on-arrival miners are handled by repair or replacement only after diagnosis.
Contact us at store@bt-miners.com or 813-820-0668 if you have any questions.
All products on our website are priced in US Dollars.
Payment made by credit or debit card may be subject to card processing fees.
We can accept payment by credit or debit card, wire transfer, ACH transfer (through our online portal), and crypto.
Bank transfer clearing times vary by bank and location. Cryptocurrency payments are typically confirmed within 1 business day.
*Machine prices will fluctuate according to the current market price.*
Customs & Delivery
Shipments are managed through DHL, UPS and FedEx for most international destinations. Due to changing regulations, we may not be able to cover import duties for all orders entering the USA. Deliveries to other countries may require customers to clear customs and pay duties or taxes. Please notify us promptly if customs requests documents, as improper or delayed filing may result in additional fees or delays.
DDP Option
Delivery Duty Paid (DDP) service may be available in select countries. Advance arrangement is required; please contact store@bt-miners.com for details.
Returns for Repair or Replacement
If diagnosis requires a miner to be returned to Hong Kong or another service location, the customer is responsible for related shipping charges unless otherwise agreed in writing.
All sales are final and non-refundable. A cancellation may be requested before handover to the carrier and is subject to a 25% cancellation fee. Orders cannot be cancelled after handover to the carrier. Eligible faulty-on-arrival cases are handled by repair or replacement only.
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FAQs
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What Is The Lifespan Of This Mining Machine?
The lifespan of mining hardware is influenced by usage intensity, environmental factors like temperature, humidity, and dust. Proper maintenance and optimal conditions can significantly extend its longevity.
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How Does Electricity Cost Impact Profitability?
Electricity costs play a crucial role in mining profitability, as high rates can quickly offset profit. Therefore, it is vital to access local electricity costs to determine if mining is viable. With high electricity costs and high liquidity of digital assets, investing in an energy-efficient miner becomes even more important.
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What mining pools work with the T21?
It is compatible with major pools like F2Pool, ViaBTC, AntPool, and Luxor.
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What services does BT-MINERS provide?
Pre-shipment diagnostics, secure packaging, global delivery, and support.
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What maintenance does the T21 require?
Regular dust cleaning and proper ventilation help maintain stable performance.
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What cooling method does it use?
The T21 operates with a dual-fan air-cooled system.
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How loud is the T21?
It generates significant airflow noise, typical of industrial air-cooled miners.
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Is the Antminer T21 suitable for home use?
Only if the location supports proper voltage, ventilation, and noise control.
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Does the T21 need three-phase power?
Yes, it is designed for a 380–415V three-phase electrical setup.
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How much power does the T21 require?
The miner consumes 3610W under standard operating conditions.
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What algorithm does the T21 use?
It mines SHA-256, supporting Bitcoin, Bitcoin Cash, and similar networks.
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What is the hashrate of the Antminer T21?
The T21 provides a stable 190TH/s for SHA-256 mining.
