Antminer S21 lmm.

(48 customer reviews)

Original price was: $4,368.00.Current price is: $3,333.00.

Model Antminer S21 Imm (239Th) from Bitmain mining SHA-256 algorithm with a maximum hashrate of 239Th/s for a power consumption of 3824W.

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Antminer Bitcoin Miner S21 lmm.

Antminer S21 Imm – Next-Level Bitcoin Mining Power

Bitmain, the world leader in cryptocurrency mining hardware, presents the Antminer S21 Imm—a powerful and efficient Bitcoin miner designed to deliver exceptional performance. Equipped with a maximum hashrate of 239 TH/s and a power consumption of 3824W, the Antminer S21 Imm is engineered to provide unmatched mining efficiency.

Specifically built for mining Bitcoin (BTC) using the SHA-256 algorithm, the Antminer S21 Imm helps miners secure and stabilize the Bitcoin network while earning valuable BTC rewards.

Key Features:

  • 239 TH/s Hashrate: High-speed Bitcoin mining for maximum output

  • Efficient Power Consumption: 3824W for reduced electricity costs and increased profitability

  • Reliability & Durability: Built to handle the most demanding mining conditions

  • User-Friendly: Easy setup with real-time mining monitoring for smoother operations

The Antminer S21 Imm is perfect for miners looking to maximize profits with its high hashrate and efficient power use. Whether you’re an experienced miner or just starting out, this model provides the tools you need for success in Bitcoin mining.

In conclusion, the Antminer S21 Imm stands as a game-changer in the Bitcoin mining industry. With its impressive hashrate and optimized power efficiency, it is sure to transform your mining operation. If you’re looking for the best mining hardware for Bitcoin, the Antminer S21 Imm is the ideal choice.

NOTE:

  • NEM: Normal Energy Mode; HEM: High Energy Model.
  • The Hashrate value, Power on wall, and Power efficiency on wall are all typical value. The actual Hashrate value fluctuates by ±3%, and the actual Power on wall and Power efficiency on wall fluctuate by ±5%.
  • Inlet oil temperature.
  • Caution: Wrong input voltage may cause server damage.
  • The height includes a 44mm handle.

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 BITMAIN.
  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 BITMAIN 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.

Warranty:

  1. A 365-day warranty is provided starting from the shipping date. BITMAIN 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 BITMAIN. 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 BITMAIN’s prior consent, BITMAIN will not be liable for any damage arising therefrom.
Model NO.

S21

Model

S21 lmm.

Noise Level

N/A

Size

Miner Size (Length*Width*Height, w/o package),mm – 293*236*364
Miner Size (Length*Width*Height, with package),mm – 600*390*450

Power

Working mode NEM / HEM (READ NOTES)
Typical hashrate, TH/s 239 / 301
Power on wall @30℃, Watt 3824 / 5569
Power efficiency on wall @30℃, J/TH 16.0 / 18.5

Hashrate, TH/s

239 / 301

Algorithm | Cryptocurrency

SHA256, BTC/BCH/BSV

Interface

RJ45 Ethernet 10/100M

Humidity

N/A

Origin

China

Heat Dispatch Method

Oil Cooling

Release

October 2024

Weight

Net weight, kg – 17.15
Gross weight, kg – 20.45

Fan(S)

N/A

Voltage

Power supply AC Input voltage, Volt – 380~415V AC
Power supply AC Input Frequency Range, Hz – 50~60
Power supply AC Input current, Amp – 12
3 Phase

Inlet oil temperature, °C

30~55

Oil flow, m3/h

1

Working fluid

Oil

Storage temperature, °C

-20~70

48 reviews for Antminer S21 lmm.

  1. Mary Taylor

    Satisfied with my Antminer order. Definitely ordering again soon. Would buy again.

  2. Matthew Robinson

    Fast shipping and reliable product. Customer support was helpful. Very reliable seller.

  3. Barbara Rodriguez

    Satisfied with my Antminer order. Customer support was helpful. Impressed by the speed.

  4. David Garcia

    Super smooth purchase of my Antminer! Everything went perfectly. Very reliable seller.

  5. Lea Schulz

    Very impressed with the Antminer delivery. Definitely ordering again soon. Top quality!

  6. Finn Richter

    Very impressed with the Antminer delivery. The unit works flawlessly. Worth every penny.

  7. Catherine Dubois

    Couldn’t be happier with my Antminer. Highly recommend this seller. Very reliable seller.

  8. Noah Müller

    Fantastic experience ordering my Antminer. Performance is top-notch. No regrets.

  9. Barbara Clark

    My Antminer arrived quickly and Better than expected. Smooth transaction.

  10. Finn Wolf

    Very impressed with the Antminer delivery. Performance is top-notch. Impressed by the speed.

  11. Maria Schneider

    Fast shipping and reliable product. Exactly as described. Great mining performance.

  12. Catherine Leroy

    My Antminer arrived quickly and Packaging was secure and neat. Very reliable seller.

  13. Maximilian Koch

    Super smooth purchase of my Antminer! Performance is top-notch. Thumbs up!

  14. Thomas Smith

    Fast shipping and reliable product. The unit works flawlessly. Worth every penny.

  15. Lina Schäfer

    Fast shipping and reliable product. The unit works flawlessly. Smooth transaction.

  16. William Brown

    Super smooth purchase of my Antminer! Highly recommend this seller. Five stars!

  17. Emily Brown

    The ordering process was easy and Performance is top-notch. Thumbs up!

  18. Lena Klein

    Fast shipping and reliable product. Exactly as described. No regrets.

  19. Julien Robert

    Couldn’t be happier with my Antminer. Customer support was helpful. Smooth transaction.

  20. Chloé Simon

    Fast shipping and reliable product. Packaging was secure and neat. Would buy again.

  21. Julien Moreau

    Just received my Antminer and Exactly as described. Great mining performance.

  22. Emily Smith

    The ordering process was easy and Everything went perfectly. Five stars!

  23. Lea Meyer

    My Antminer arrived quickly and Exactly as described. Would buy again.

  24. Mary Johnson

    Very impressed with the Antminer delivery. Everything went perfectly. Top quality!

  25. Marie Weber

    Satisfied with my Antminer order. No issues at all. Thumbs up!

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