Buy Bitmain Antminer S21+ online

Balance industrial execution with smart capital deployment using the high-performance Bitmain Antminer S21. Purpose-built to offer a highly profitable middle ground within Bitmain’s flagship line, this robust SHA-256 air cooled miner gives operators an elite tool to consistently scale up their hashing power without paying the extreme price premiums of ultra-high-end tier hardware. Unleashing an aggressive, rock-solid maximum hashrate configuration ranging from 216 TH/s to 235 TH/s, the S21+ draws a disciplined 3564W on the wall. This balances out to an excellent energy efficiency rating of just 16.5 J/TH, allowing smart mining ventures to securely extract BTC block rewards even through demanding global difficulty corrections.

Bitmain Antminer S21+ for sale

The layout behind the official Antminer S21+ specs relies on Bitmain’s battle-tested heavy industrial architecture. Enclosed in a compact, durable server-style chassis measuring 450 x 219 x 293 mm and weighing a solid 21.5 kg, the system utilizes a high-velocity four-fan array to pull massive volumes of air cleanly through the internal hash boards. This design mitigates heat accumulation, keeping the processing units performing flawlessly within a standard environmental threshold of -20°C to 45°C. For instant deployment into mining facility networks and pools, it features a plug-and-play RJ45 Ethernet network interface.

When you choose to buy Antminer S21+ online through our storefront, you receive authenticated, factory-inspected hardware designed for long-term operational viability. By matching high-density air-cooling designs with a highly competitive energy footprint, the S21+ series ensures a rapid path to ROI using standard, accessible infrastructure. Insulate your mining farm against hash spikes, optimize your wattage per terahash, and scale your processing facility. Secure your hardware allocation today.

Note

| Purchasing Guidelines

1. The shipping costs, customs charges, and taxes(if any) are not included in the retail price shown above.

2. After an order has been submitted, a request to cancel the order, refund any part of the ordered amount or change the ordered item(s) to different item(s) or different batch(es) will not be entertained by PRO MINER .

3. The pictures shown are for reference only; the final shipment version shall prevail.

| Shipping Details

1. Shipments will be scheduled on a first-paid-first-ship basis for orders on which PRO MINER  has received full payment.

2. You are responsible for any customs delays or returned shipments due to a lack of proper documentation. It’s highly recommended to be aware of local customs clearance policies and to prepare all customs documentation ahead of time to avoid any customs clearance delays or unexpected costs.

3. Click here to download Certificates of Conformity and find additional information on customs clearance for PRO MINER  products.

| Warranty

1. A 365-day warranty is provided starting from the shipping date. PRO MINER  will cover shipping costs when shipping a replacement unit within the warranty period.

2. The warranty only applies to the original purchaser who purchased the machine directly from PRO MINER. Once the miner is resold, warranty coverage becomes the responsibility of the re-seller.

3. If the user fails to use the product per the given instructions, specifications, and conditions provided or changes the function settings of the unit without PRO MINER’s prior consent, PRO MINER will not be liable for any damage arising therefrom.

4. Click here for a complete list of the Terms & Conditions that apply to all orders placed on https://prominingmachine.