Antminer S21+ Hyd.

(49 customer reviews)

Original price was: $6,858.00.Current price is: $4,860.00.

Model Antminer S21 Hyd (319Th) from Bitmain mining SHA-256 algorithm with a maximum hashrate of 319Th/s for a power consumption of 4785W.

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Antminer Bitcoin Miner S21+ Hyd.

Antminer S21+ Hyd. – High-Efficiency Bitcoin Mining at Its Best

Bitmain, the world’s leading producer of cryptocurrency mining hardware, proudly introduces the Antminer S21+ Hyd. — a powerful, next-generation Bitcoin miner engineered for maximum performance. With an impressive 319 TH/s hashrate and industry-leading 15 J/T power efficiency, the S21+ Hyd. is one of the most powerful and energy-efficient Bitcoin miners available today.

Built specifically for mining Bitcoin (BTC) using the SHA256 algorithm, the Antminer S21+ Hyd. enables miners to earn BTC while strengthening and securing the Bitcoin network.

This model is built for simplicity and performance. Its user-friendly interface allows for real-time monitoring, while advanced water cooling technology ensures stable operation and long-term durability—even in high-demand mining environments.

Key Benefits:

  • 319 TH/s Hashrate for top-tier mining performance

  • 15 J/T Efficiency for optimized power consumption

  • Advanced Water Cooling for sustained stability

  • Easy Setup & Management for miners at any level

Whether you’re expanding your mining operation or starting out, the Antminer S21+ Hyd. offers the ideal blend of power, efficiency, and reliability to help you stay competitive and maximize profitability.

Lead the future of Bitcoin mining—equip your farm with the Antminer S21+ Hyd. from Bitmain.

NOTE:

  • The Hashrate value, Power on wall, and Power efficiency on wall are all typical values, The actual Hashrate value fluctuates by 3%, and the actual Power on wall and Power efficiency on wall fluctuate by 5%.
  • Inlet water temperature.
  • Caution: Wrong input voltage may cause server damaged.
  • Three-phase AC input, 10 A per wire.
  • NEM: Normal Energy Mode; HEM: High Energy Mode.
  • If the water conductivity is ≥100 μs/cm, the fluid must be replaced. The water conductivity is less than 20 μs/cm when the system is running at the first time.

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+ Hyd.

Noise Level

50db

Size

Miner Size (Length*Width*Height, w/o package),mm – 339*163*207
Miner Size (Length*Width*Height, with package),mm – 570*316*430

Power

Power on wall @35°C, Watt – 4786
Power efficiency on wall @35°C, J/TH – 15.0

Hashrate, TH/s

319

Algorithm | Cryptocurrency

SHA256, BTC/BCH/BSV

Interface

RJ45 Ethernet 10/100M

Humidity

N/A

Origin

China

Heat Dispatch Method

Water Cooling

Release

February 2025

Weight

Net weight, kg – 12.3
Gross weight, kg – 13.6

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

Inlet water temperature, °C

NEM – 35

HEM1 – 45

HEM2 – 50

Water flow, L/min

8.0~10.0

Water pressure bar

≤3.5

Working fluid

Deionized water/Pure water

Liquid PH

8.5~9.5

Diameter of water pipe connector, mm

DN10

Storage temperature, °C

-20~70

Operation humidity(non-condensing), RH

10~90%

49 reviews for Antminer S21+ Hyd.

  1. Linda Clark

    Fast shipping and reliable product. Performance is top-notch. Very reliable seller.

  2. Catherine Moreau

    Super smooth purchase of my Antminer! Everything went perfectly. Thumbs up!

  3. Alain David

    Very impressed with the Antminer delivery. Performance is top-notch. Worth every penny.

  4. Lena Fischer

    Super smooth purchase of my Antminer! Exactly as described. Smooth transaction.

  5. Karen Martinez

    Very impressed with the Antminer delivery. Highly recommend this seller. Impressed by the speed.

  6. Lucie Richard

    Very impressed with the Antminer delivery. Definitely ordering again soon. Impressed by the speed.

  7. Julie Michel

    Fantastic experience ordering my Antminer. Definitely ordering again soon. Worth every penny.

  8. James Anderson

    Excellent service! The unit works flawlessly. Smooth transaction.

  9. Chloé Leroy

    Very impressed with the Antminer delivery. Exactly as described. No regrets.

  10. Finn Weber

    Just received my Antminer and Everything went perfectly. No regrets.

  11. Antoine Martin

    Super smooth purchase of my Antminer! No issues at all. Thumbs up!

  12. Emma Koch

    Couldn’t be happier with my Antminer. Exactly as described. Very reliable seller.

  13. Camille Martin

    Super smooth purchase of my Antminer! No issues at all. Would buy again.

  14. Laura Robinson

    Excellent service! Packaging was secure and neat. Top quality!

  15. Lucie David

    Very impressed with the Antminer delivery. Better than expected. Five stars!

  16. Ben Bauer

    My Antminer arrived quickly and Highly recommend this seller. Worth every penny.

  17. Leon Bauer

    Excellent service! Highly recommend this seller. Thumbs up!

  18. Leon Weber

    Fantastic experience ordering my Antminer. The unit works flawlessly. Very reliable seller.

  19. Thomas Martin

    Fast shipping and reliable product. Everything went perfectly. Worth every penny.

  20. Anna Fischer

    My Antminer arrived quickly and Performance is top-notch. Impressed by the speed.

  21. Sarah White

    Excellent service! No issues at all. Five stars!

  22. Lukas Koch

    Just received my Antminer and The unit works flawlessly. Very reliable seller.

  23. Laura Taylor

    Fantastic experience ordering my Antminer. Highly recommend this seller. Thumbs up!

  24. Jean Laurent

    Excellent service! Better than expected. Worth every penny.

  25. Julie Robert

    The ordering process was easy and Exactly as described. Great mining performance.

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