Antminer S21 is an innovative Bitcoin mining device developed by Bitmain. In collaboration with TSMC, a leading semiconductor manufacturer, Bitmain launched the S21 series with advanced 7nm chips, enhancing efficiency by up to 40% compared to the previous S19 models.
The name “S21” follows Bitmain’s odd-number naming convention, emphasizing their commitment to progress. This upgraded efficiency not only boosts miners’ profitability but also addresses concerns about the environmental impact of mining.
Overall, the Antminer S21 represents a significant step forward in the cryptocurrency mining landscape.
Specifications
| Brand | Antminer S21 |
| Model | S21 |
| Algorithm | Cryptocurrency | SHA256 | BTC/BCH/BSV |
| Hash Rate | 200TH/s ± 3% |
| Power on wall @25°C, Watt | 3010w ± 5% |
| Power efficiency on wall @25°C, J/TH | 17.5 ± 5% |
| Power Supply | With PSU |
| Power supply AC Input voltage, Volt(1-1) | 200~240 |
| Power supply AC Input Frequency Range, Hz | 47~63 |
| Power supply AC Input current, Amp(1-2) | 20(1-3) |
| Networking connection mode | RJ45 Ethernet 10/100M |
| Miner Size (Length*Width*Height, w/o package),mm(2-1) | 400*195.5*290 |
| Miner Size (Length*Width*Height, with package),mm | 570*316*430 |
| Net weight, kg(2-2) | 14.2 |
| Gross weight, kg | 16.0 |
| Operation temperature,°C | 0~40 |
| Storage temperature,°C | -20~70 |
| Operation humidity(non-condensing) , RH | 10~90% |
| Operation altitude, m(3-1) | ≤2000 |
| Warranty | 180 days |
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What Our Customers Are Saying on Trustpilot…
Purchasing Guidelines
- Customers can purchase up to 200 units.
- If the hashrate of the delivered mining machine is lower than 200TH/s, BITMAIN will refund the difference according to $/T.
- Full payment is required for the product.
- BITMAIN will not entertain requests to cancel an order, refund an ordered amount, or change the ordered item(s) to different item(s) or different batch(es) after an order has been submitted.
Shipping Details
- Shipments will be scheduled on a first-paid-first-ship basis for orders on which BITMAIN has received full payment.
- Customers are responsible for any customs delays or returned shipments due to a lack of proper documentation. It is 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.
Warranty
- A 180-day warranty is provided starting from the shipping date. BITMAIN will cover shipping costs when shipping a replacement unit within the warranty period.
- The warranty only applies to the original purchaser who purchased the machine directly from BITMAIN. Once the miner is resold, warranty coverage becomes the responsibility of the reseller.
- If the user fails to use the product according to the given instructions, specifications, and conditions provided, or changes the function settings of the unit without BITMAIN’s prior consent, BITMAIN will not be liable for any damage arising therefrom.
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qvMitt (verified owner) –
best reseller, will order again
markalina722 (verified owner) –
professional, recommended reseller!
jacomistery (verified owner) –
Fast Shipping, recommended seller.
jacobrich (verified owner) –
good communication! will order again
marino2t (verified owner) –
fast shipping and delivery, recommended seller!
pontus.olofsson (verified owner) –
fast shipment, Recommend!
nbfcsoftware1 (verified owner) –
All was Ok. Good seller. The machine look in good condition. Very serious for business. The fan of the machine was all New Part.
kaancamur (verified owner) –
Fast Shipping, Recommend!
deno001 (verified owner) –
Great seller. thanks!
andreaschristensen (verified owner) –
good! excellent supplier
tansleycarpentry (verified owner) –
Good packaging, will order again
bitcoin.story (verified owner) –
the Miner is in excellent condition. will buy again
hardwo.rk.e.r.s.e.o (verified owner) –
good! will order again
aletheabero (verified owner) –
good quality,recommend
afuksjaa (verified owner) –
Strongly recommend!
gundogdu424 (verified owner) –
fast delivery thanks
ritech (verified owner) –
fast shipment, will order again
AngelLoxbit (verified owner) –
Quick delivery, recommended seller!
adbizcentral (verified owner) –
good seller! thanks a lot
fewszac006 (verified owner) –
perfect! recommended seller.
heringasem2 (verified owner) –
Pleased with the protection of the box from the side of the block, a lot of pupyrki. Great packaging!
linosegur (verified owner) –
Good packaging, will order again
alexus083 (verified owner) –
Great seller. thanks!
CryptoAmbassador (verified owner) –
delivery fast, recommended reseller!