Bitmain Antminer S21+ 216TH/s – SHA-256 Bitcoin ASIC Miner 3564W
Payment methods
- Bank transfer
- Interac e-Transfer
- Cryptocurrency
An itemized invoice, a named recipient and confirmation after funds are received.
Payment details and next steps
1. Bank transfer
Pay in Canadian dollars to our Scotiabank business account. The beneficiary name shown on our void cheque is CAPITAINE MINAGE INC.
- Beneficiary
- CAPITAINE MINAGE INC.
- Bank
- Scotiabank
- Currency
- CAD
- Transit / branch
- 71191
- Institution
- 002
- Account number
- 0129615
Include your invoice number as the payment reference. Our void cheque is available on request.
International wire or another currency? Request the instructions for your bank before sending funds.
2. Interac e-Transfer
Send your Interac e-Transfer to the address below and include your invoice number in the message.
info@captainmining.com
Your financial institution’s limits apply. For a larger amount, contact us to arrange a bank transfer.
3. Cryptocurrency
For each order, we confirm the cryptocurrency, network, exact amount, receiving address and quote validity period.
Request my crypto payment instructionsYour payment in 3 steps
- Review your invoice: equipment, amount, currency and agreed terms.
- Make your payment using your invoice number as the reference.
- We verify receipt of funds and confirm the next steps for your order.
Pay after receiving your invoice and confirmation of availability. Delivery or installation follows the timeline agreed for your order.
Credit and debit cards are not accepted.
First order? Check the details with our team.

Bitmain Antminer S21+ air-cooled Bitcoin ASIC
This listing includes S21+ options. For the manufacturer-documented 216T configuration, BITMAIN lists 216 TH/s, 3,564 W at 25°C and 16.5 J/TH. If you select another hashrate option, request its matching manufacturer specification before ordering; the 216T power figure does not describe every variant.
| Options shown in this listing | 216T, 225T, 235T |
|---|---|
| 216T typical hashrate | 216 TH/s |
| 216T typical wall power | 3,564 W at 25°C |
| 216T typical efficiency | 16.5 J/TH at 25°C |
| 216T input | 220–277 V AC, single phase, 20 A maximum |
| Network / cooling | RJ45 Ethernet 10/100M / air cooling |
Match the selected option to the installation
Confirm the exact hashrate, wall power, efficiency and batch in writing. Plan the electrical circuit, connector, airflow, heat rejection and noise for the selected unit. BITMAIN gives the 216T model an operating range of −20°C to 45°C, subject to altitude guidance.
Before accepting a quote
- Selected 216T, 225T or 235T option and its matching technical sheet.
- Condition, batch, included accessories and warranty terms.
- Availability, dispatch estimate, delivered cost and taxes.
- For hosting: acceptance, setup, electricity billing, maintenance scope and contract.
Efficiency can reduce energy per terahash, but it does not guarantee profit. Compare other Bitcoin ASIC miners, review hosting options, or request a written quote for the selected S21+.
Technical source for 216T: BITMAIN S21+ specifications.