Bitmain Antminer S21 XP Hyd 473TH/s – Hydro Bitcoin Miner
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 XP Hyd 473TH/s – Hydro Bitcoin Miner
The Bitmain Antminer S21 XP Hyd is a top-tier hydro-cooled Bitcoin ASIC miner delivering a massive 473 TH/s hashrate with approximately 5670W power consumption on the SHA-256 algorithm. Combining the enhanced XP chip technology with Bitmain's advanced water cooling system, the Antminer S21 XP Hydro achieves an impressive energy efficiency of approximately 12 J/TH. This miner is purpose-built for professional mining operations that demand maximum performance, efficiency, and reliability from their hydro-cooled mining infrastructure.
Why Choose the Antminer S21 XP Hyd?
The Bitmain Antminer S21 XP Hydro delivers one of the highest hashrate-to-efficiency ratios available in a hydro-cooled Bitcoin miner. The water cooling system enables silent operation, superior thermal management, and high-density rack deployments that maximize revenue per square foot of mining space. With 473 TH/s in a single unit, the Antminer S21 Hyd XP variant significantly reduces the number of individual miners needed for large-scale operations, simplifying management and reducing infrastructure costs. The proven Bitmain S21 platform ensures exceptional reliability for 24/7 mining operations.
Key Specifications
- Algorithm: SHA-256 (Bitcoin / BTC)
- Hashrate: 473 TH/s
- Power Consumption: 5670W (±10%)
- Energy Efficiency: ~12 J/TH
- Cooling: Hydro (Water Cooling)
- Operating Temperature: 5°C to 45°C
- Noise Level: Near-silent (hydro-cooled)
- Network Connection: Ethernet
- Manufacturer: Bitmain
Antminer S21 XP Hyd Profitability
The Antminer S21 XP Hyd profitability is outstanding thanks to its combination of high hashrate and efficient power consumption. At 473 TH/s with approximately 12 J/TH, this miner produces exceptional Bitcoin revenue per watt of electricity consumed. The hydro cooling system further enhances profitability by eliminating the need for expensive air conditioning infrastructure and enabling higher mining density. For professional mining operations running at scale, the S21 XP Hyd delivers one of the best returns on investment in the current Bitcoin mining hardware market.
S21 XP Hyd vs. S23 Hydro
The Antminer S21 XP Hydro and the newer Antminer S23 Hydro 580TH/s are both premium hydro-cooled options from Bitmain. While the S23 Hydro pushes hashrate higher with 9.5 J/TH efficiency, the S21 XP Hyd at 473TH/s with ~12 J/TH remains highly competitive and is available at a more accessible price point. Both models share Bitmain's proven hydro cooling technology and are designed for professional rack-mount deployments. The S21 XP Hyd is an excellent choice for miners who want top-tier hydro performance without the premium cost of the latest generation.
What's Included
- 1x Bitmain Antminer S21 XP Hyd 473TH/s ASIC Miner
- Water cooling connectors and fittings
- Power cables
- Quick start guide and documentation
- Manufacturer warranty
Buy the Antminer S21 XP Hyd at CaptainMining
Looking for the Antminer S21 XP Hyd at the best price? CaptainMining has the Bitmain Antminer S21 XP Hydro in stock and ready to ship from Canada. Every unit is tested and verified before shipping. Elevate your mining setup with one of the most powerful hydro-cooled Bitcoin miners available. Buy the Antminer S21 XP Hyd at CaptainMining today!