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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 Calculate
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.
Estimate time
Please select your preferred product batch – Available Now (In Stock) for immediate shipment or Month Batch for delivery within your chosen timeframe. If no selection is needed, the product is in stock and ready to ship. If you haven’t received your miner after the estimated time, please contact us at store@bt-miners.com, and our team will assist you promptly.
Shipping
All used miners will undergo testing by our certified technicians before shipping, which requires 3-5 business days. New miners will be shipped from our Shenzhen or Hong Kong warehouse, with international delivery taking approximately 5-10 business days via DHL. Once your order is shipped, you will receive a confirmation email with a tracking number. Shipping fees are calculated based on product type and weight, varying by region.
Returning policy
All sales are final and non-refundable after shipment, but we offer repair and replacement services if there are technical issues with your miner.
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: All orders are processed and dispatched within 72 hours after verified full payment, unless otherwise stated. Pre-orders typically ship at the end of the month of the batch but may be delayed if the manufacturer delays release/shipment. In stock machines ship in 3-7 business days from our warehouse in China. Bulk orders may require an additional 1–2 business days for handling.
Shipping Carriers: We always try to ship as soon as we can via reputable international carriers such as DHL, UPS or FedEx after full payment has been received and verified.
Estimated Delivery: Standard international shipping usually takes 4–7 business days to arrive after dispatch. Actual delivery may be affected by customs clearance and local carrier conditions, with total delivery time ranging from 8–10 business days.
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 will not be able to cover duty tax for all orders entering USA. Deliveries to other countries may require customers to clear customs and pay duty tax. Please notify us right away if documents are requested by customs as improper filing may result in higher fees and/or delays.
DDP Option: We offer Delivery Duty Paid (DDP) service in select countries, which covers customs, duties, and taxes in the purchase price. Advance arrangement is required – please contact store@bt-miners.com for details.
Returns to Hong Kong: If a product must be returned to Hong Kong, the customer is responsible for all related shipping fees as outlined in our Returns & Refund Policy.
All sales are final and non-refundable on any terms.
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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.
