Your Cart
Your Cart

The Antminer T21 incorporates the identical generation of tailored chips featured in the Antminer S21, thereby guaranteeing its competence and efficiency in the realm of SHA256-based cryptocurrency mining. Boasting a remarkable hashrate of 190TH/s, it delivers unmatched cost-effectiveness for Bitcoin mining.



Brand Antminer T21
Model 190TH/s @ 3610w
Algorithm | Cryptocurrency SHA256 | BTC/BCH/BSV
Hash Rate 190 TH/s ± 5%
Power on wall @25°C, Watt 3610 ±5%
Power efficiency on wall @25°C, J/TH 19.0 ±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
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



Antminer S21 Bitcoin Miner 200TH for Bitcoin Mining IMG #4 Antminer S21 Bitcoin Miner 200TH for Bitcoin Mining IMG #5 Antminer S21 Bitcoin Miner 200TH for Bitcoin Mining IMG #6 Antminer S21 Bitcoin Miner 200TH for Bitcoin Mining IMG #7 Antminer S21 Bitcoin Miner 200TH for Bitcoin Mining IMG #3 Antminer S21 Bitcoin Miner 200TH for Bitcoin Mining IMG #9 Antminer S21 Bitcoin Miner 200TH for Bitcoin Mining IMG #8


Purchasing Guidelines

  • Customers can purchase up to 200 units.
  • If the hashrate of the delivered mining machine is lower than 190TH/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.



  • 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.
Weight 18 kg



190TH/s @ 3610w



Hash Rate

190TH/s ± 5%

Power Consumption

3610w ± 5%


19.0 J/TH ± 5%


RJ45 Ethernet 10/100M


4 x fan


With PSU

Miner Size (Length * Width * Height, w/o package), mm

400 * 195.5 * 290

Miner Size (Length * Width * Height, with package), mm

570 * 316 * 430

Net weight, kg


26 reviews for Antminer T21 Bitcoin Miner

  1. digga013 (verified owner)

    recommended reseller.

    398 products
  2. jonboy545 (verified owner)

    Second buy. Last time 3080 mining machine installation and shipping problems noted. This time, the seller Packaging, Shipping for you if lots of having thank thanx.

    31 products
  3. sd5f1s51f (verified owner)

    Solid packing, Fast shipping

    1 product
  4. dertqza004 (verified owner)

    Great reseller. Recommend!

    1 product
  5. e.abdul-98 (verified owner)

    All excellent. all good, thx

    517 products
  6. francotorti28 (verified owner)


    302 products
  7. dsfdafasdf (verified owner)

    Excellent! will order again

    1 product
  8. thebitcoinjedi (verified owner)

    A good miner, I order a second time. Delivery by courier to the apartment.

    78 products
  9. sadsadsadsad (verified owner)

    fast shipment, recommended reseller.

    50 products
  10. alvarollacer (verified owner)

    professional, recommended seller!

    1 product
  11. devendradev17 (verified owner)

    Works ok cold

    236 products
  12. OOONAVTEL (verified owner)

    Good seller!

    248 products
  13. jj.rbcnet (verified owner)

    Perfect communication, recommended reseller.

    31 products
  14. nbhuikjd (verified owner)

    Perfect communication, recommended seller.

    315 products
  15. dotworks.uk (verified owner)

    Perfect no problem

    86 products
  16. caykemvn (verified owner)

    I love it,Great product and seller.

    1 product
  17. vuqi587w88b (verified owner)

    quick response! will order again

    1 product
  18. tadysigi (verified owner)

    The seller’s service attitude was very good. It was a pleasant shopping experience

    13 products
  19. PlusDating (verified owner)

    fast and trusted! Recommend

    24 products
  20. samerfree58 (verified owner)

    fast! recommended seller!

    40 products
  21. martimaison (verified owner)

    fast shipping and delivery, Strongly recommend!

    47 products
  22. l (verified owner)

    Easy to set up. And very nice after service from seller, helps a lot.

    47 products
  23. douglas.0412 (verified owner)

    All excellent. will order again

    1 product
  24. r609Zn (verified owner)

    fast shipping, good packaging, powerful miners.

    16 products
  25. rzuf911 (verified owner)

    professional, Recommend

    1 product
  26. patsatterlie (verified owner)

    Good reseller! Recommend!

    1 product

Only logged in customers who have purchased this product may leave a review.