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Minable coins
BTC
BCH
BSV
Bitmain Antminer S21 Imm. 215 / 305T / 301T 3440W Bitcoin Miner
| Function | BTC/BCH/BSV SHA256 Immersoin-cooling Miner |
| Specifications | 215T | 3440W | 16J/T |
We advice buyers to contact our sales before payment, to confirm the accurate miner price and shipping cost, because the crypto market fluctuates rapidly and the shipping costs may vary from the location and order quantities.
Price range: $3,332.50 through $3,950.00
Why Choose the Antminer S21 Imm. Miner？
Bitmain Antminer S21 Immersion Miner is a robust Bitcoin miner built for the SHA-256 algorithm. It delivers a maximum 301Th/s hashrate with a power consumption of 5,569W, making it a top choice amid rising electricity costs—investing in such high-efficiency hardware directly boosts long-term profitability.
Measuring 293 x 236 x 364 mm and weighing 17,150g, it features a compact footprint that fits seamlessly into immersion mining setups. Its input voltage ranges from 380V to 415V, aligning with industrial power standards for stable deployment.
Engineered for resilient 24/7 operation, the S21 Immersion thrives in 30-55°C environments. Its dielectric fluid cooling system actively dissipates heat efficiently, keeping performance consistent even under heavy loads, while operating at a quiet 50 dB to suit diverse mining spaces.
Yesmining Services
✔PSU Included ✔Low Value Declaration ✔Fast Shipping ✔Technical Support
Product Description
Model Antminer S21 XP Immersion (300Th) from Bitmain mining SHA-256 algorithm with a maximum hashrate of 300Th/s for a power consumption of 4050W.
Specifications
| Manufacturer | Bitmain |
| Model | Antminer S21 Imm. |
| Crypto algorithm/coins | SHA256 | BTC/BCH/BSV |
| Working mode(1-1) | NEM | HEM |
| Typical hashrate, TH/s(1-2) | 215 | 301 |
| Power on wall @30℃(1-3), Watt(1-2) | 3440 | 5569 |
| Power efficiency on wall @30℃, J/TH(1-2) | 16.0 | 18.5 |
Detailed Characteristics
Power Supply
| Phase | 3 |
| Input voltage range, Volt(2-1) | 380-415 |
| Input frequency range, Hz | 50~60 |
| Input max current, Amp | 12 |
Hardware configuration
| Server size (Length*Width*Height, w/o package), mm | 293*236*364(2-2) |
| Server size (Length*Width*Height, with package), mm | 600*390*450 |
| Net weight, kg | 17.15 |
| Gross weight, kg | 20.45 |
Environment requirements
| Inlet oil temperature, °C | 30-55 |
| Oil flow, m3/h | 1 |
| Storage temperature,°C | -20~70 |
- Shipments will be scheduled on a first-paid-first-ship basis for orders on which Yesmining has received full payment. Normally will be shipped in 2-5 days from Warehouse, in case of bulk order we may take one or two days extra. Yesmining always try to ship all our customers ASAP we can.
- For the pre-order, the final delivery date subject to manufacturers. Any update on the schedule, Yesmining would keep the buyer fully informed.
- We ship machines mostly via DHL /UPS/Fedex/ Aramex/ DDP channel.
- For some countries,we can provide DDP service (Door to Door which price including shipping charge & duty & tax) .
- Without DDP channel or normal express, we can assist you to declare lower value to help you reduce your taxes if needed. Welcome to ask for solutions for different order: contact@yesmining.io.
- The shipping costs, customs duties, and taxes(if any) are not included in the retail price shown above. Customers will be solely responsible for paying any outstanding taxes and duties as per your country’s law and customs. If any miner needs to be returned to Hong Kong, the client will be responsible for paying the additional shipping costs.
Payment Policies
- Wire transfer via Bank Or Crypto Currency (USDT or USDC only) are acceptable.
- All products listed on our website are priced in US Dollars. (US Dollor:USDT/USDC = 1:1)
- *All Machine Price Is Fluctuating Depend On Behavior Of Market .*Please double check with us before making orders. *All sales are final and non-refundable.*
| Method 1 | Method 2 | Method 3 |
| Online payment | Offline payment | Wire transfer via Bank |
| Coinpal (only accept USDT, and USDC) | USDT TRC20 Address: 1) Starting with " TM1o425 ",and ending with " MFn7T " 2) Starting with " TUh6xz5 ",and ending with " Zhadi " USDT ERC20 Address: 1) Starting with " 0x2Cf " and ending with " C9f65 " 2) Starting with " 0xe09 "and ending with " aC96A " | Beneficiary's Bank Name：DAH SING BANK Beneficiary's Bank Address：*******Wan Chai, Hong Kong Beneficiary's Bank SWIFT：DSBAHKHH Beneficiary's Bank ABA：040 Beneficiary's Account Number：76*******173 Beneficiary's Name：HONGKONG YECHI TECHNOLOGY CO., LIMITED Beneficiary's Address：*******WAN CHAI HONG KONG |
Warranty Period
Brand new miner machines usually would be at 6/12 months from manufacturer. Usually btc miners are in 12 months warranty,another crypto miners are in 6 months warranty.Any other special cases are depending on manufacturer.And there are SN number on every miners for tracking warranty time.
Repair
If any machine defects during the warranty period, please consult our corresponding sales representative. We will respond promptly to provide technical support and guidance.
Refund
All items are non-refundable and orders not cancelable. (Except in the case of out of stock or the miner price increase before/at the time of payment arrival in our account,eg.bank transfer takes 2-3 working days to arrive,the miner price change during the days)
Packaging
All brand new miners packaging are 100% origin from miners manufacturer.
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BITMAIN Antminer S21+ 216 / 225 / 235T 3564W BTC Miner
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No, we have no strict MOQ requirement. You can purchase 1 unit or more, including popular models such as Bitcoin miners, ZEC (Zcash) miners, and other ASIC mining machines. Bulk orders may qualify for better pricing.
Yes, warehouse pickup is available by appointment. Please contact our sales team in advance so we can arrange product availability and pickup details for your ASIC miner orders.
We support multiple secure payment options, including:
• Cryptocurrency payments (e.g., USDT, BTC) — the most common choice for mining machine purchases
• Wire transfer (T/T bank transfer)
All orders require full payment for confirmation.
Discounts are offered for:
✅ Bulk purchases of ASIC miners
✅ Seasonal promotions and coupon codes
✅ Long-term hosting or partnership clients
Please reach out to our sales team to get the best real-time miner pricing and exclusive discounts.
Warranty depends on the specific miner model and brand. Typically:
🛠 180 days warranty for Altcoin miners,365days warranty for BTC miners officially.
Warranty covers factory defects only, not damage caused by improper power supply, moisture, modification, or misuse.
Yes, we will help with troubleshoot issues, firmware guidance, operational questions, and optimization for crypto mining hardware.
Our after-sales services include:
• Remote diagnostic and repair guidance
• Official manufacturer repair coordination
• Mining hosting support clients get priority service
We ensure customers who purchase ASIC miners from us enjoy a worry-free investment experience.
For stock,orders are generally dispatched within 1–3 business days after payment verification, depending on stock availability of your ASIC mining machines.For preorder, we will ship base on the delivery time from manufacturer.
We ship with DHL, UPS, FedEx, DDP Shipping with our reliable logistics partners. Our team will suggest the best logistics solution based on your delivery address. For any concerns, feel free to contact our sales for personalized 1-on-1 assistance.
For express shipping, delivery to most regions typically takes 3–7 business days.
Final time may vary due to customs clearance or regional logistics conditions.
Once shipped, we will provide:
🔍 Tracking number + carrier name + tracking instructions, so you can monitor your ASIC miner shipment status in real time.
This depends on your country’s customs policy.
• Some regions may apply additional import duty or VAT for cryptocurrency ASIC mining hardware
• We will assist by providing all necessary commercial invoices and customs documentation
(If DDP shipping is used, duties may already be included — please confirm at checkout or with sales.)
Customer Reviews
They have already used our services
I recently purchased mining equipment and couldn’t be more satisfied. They handled everything swiftly and with genuine care. Any questions I had, whether about the purchase or logistics, were addressed promptly and thoroughly.
I had a fantastic experience with Yesmining. Their team is highly professional and knowledgeable, shipping so fast and quick response than all purchase experience i had before. Perfect company perfect team!!!
Yesmining is a good supplier to work with,it is a legitimate company for sourcing crypto miners at reasonable prices. They were very professional and efficient.l would highly recommend if you are in the market for crypto miners.
