Bitmain Antminer S21+ (216Th) is an ASIC miner designed for SHA-256 algorithm, specifically targeting BTC (Bitcoin) . It delivers a maximum hashrate of 216Th/s while consuming 3564W of power, resulting in an energy efficiency of 16.5j/Th.
Bitmain Antminer S21+ (216Th) Specifications:
Manufacturer | Bitmain |
Model | Antminer S21+ (216Th) |
Release | Feb 2025 |
Size | 400 x 195 x 290mm |
Noise level | 75dB |
Fan(s) | 2 |
Power | 3564W |
Interface | Ethernet |
Temperature | 10 – 40 °C |
Humidity | 10 – 90 % |





Processing & Shipping Time
- All shipments are dispatched via UPS, DHL, or FedEx. Upon request, we can accommodate other carriers as needed.
- We offer Delivered Duty Paid (DDP) shipping for worldwide deliveries, ensuring a smooth customs clearance process.
- If any specific documentation is required for customs, please contact us in advance so we can provide the necessary paperwork.
- Orders are processed and shipped within 48 to 72 business hours upon confirmation of payment.
- Once the order has been shipped, customers will receive an email with the tracking number and order details for easy monitoring of the shipment.
- For any additional shipping inquiries or special requests, feel free to reach out to our support team.
Warranty & Return
- All products come with a 1-year extended warranty, which includes 6 months of manufacturer warranty and an additional 6 months of free extended warranty provided by HEX Miners.
- In the event of malfunction or damage, we will repair or replace the machine at no cost to the customer during the warranty period.
- We offer a 30-day free return policy on all orders, with return shipping costs fully covered by us.
- Our products undergo rigorous quality inspections and are meticulously packed to ensure they arrive in perfect condition.
- After the warranty expires, repair or replacement costs will apply.
- Additionally, we offer 24/7 technical support for the entire lifespan of your miner, ensuring continuous assistance whenever needed.
Ryan Lemoine (verified owner) –
Fast processing – shipped 1 day after confirming payment. A solid purchase – highly recommend them. Very well packed, nothing was damaged during shipping.
Jonas Braun (verified owner) –
The machine works exactly as described and performs great. I appreciated how quickly it was shipped after paying. Customer support was very responsive and helpful.
Austin Cooper (verified owner) –
Miner is powerful and matches all specs listed. DDP shipping meant no customs hassles or extra fees. I appreciated how quickly it was shipped after paying.
Walid Al Ghaithi (verified owner) –
Impressive turnaround – shipment went out the next day. Received the unit with free and very fast delivery. Really happy with my decision to go with HEX Miners.
Leon Fischer (verified owner) –
Really happy with my decision to go with HEX Miners. The box was sturdy and the unit came in mint condition. Everything came securely packaged and protected.
Samuel Brooks (verified owner) –
Works perfectly and is a great investment. My order arrived quicker than expected with free shipping. Impressive turnaround – shipment went out the next day.
Samuel Brooks (verified owner) –
Very efficient and runs exactly as advertised. I placed a bulk order and received a great discount. Only took one day after payment for them to ship.
Jacob Fortin (verified owner) –
Bulk purchase went smoothly, all units arrived fast. Didn’t have to pay any customs taxes due to DDP delivery. Ordered in bulk and the pricing was very competitive.
Tamer Al Dhaheri (verified owner) –
Customer support was very responsive and helpful. Received the unit with free and very fast delivery. I placed a bulk order and received a great discount.
Dirk Simon (verified owner) –
Powerful unit, solid hash rate for Bitcoin mining. The unit runs strong and delivers solid hash rates. Had questions and they were resolved quickly by support.
Jacob Fortin (verified owner) –
The machine works exactly as described and performs great. Customer support was very responsive and helpful. The box was sturdy and the unit came in mint condition.
Noah Thompson (verified owner) –
There were zero customs charges thanks to their DDP option. Would definitely buy again from HEX Miners. Very well packed, nothing was damaged during shipping.
Rafael Kuhn (verified owner) –
Shipping was completely free and the package arrived fast. Ordered in bulk and the pricing was very competitive. Mining Bitcoin has never been more efficient, great machine.