Antminer S21 Hyd Bitcoin Miner


  • Brand: Antminer S21 Hyd.
  • Model: 335 TH/s @ 5445w
  • Shipping Date: January 2024
SKU: b00043 Category: Tags: ,


Bitmain has just announced the release of their latest next-generation Antminer, the S21 Hydro. This mining machine is designed to mine the SHA-256 algorithm and can achieve a remarkable maximum hashrate of 335TH/s while consuming 5445W of power.



Brand Antminer S21 Hyd.
Model S21 Hyd.
Algorithm | Cryptocurrency SHA256 | BTC/BCH/BSV
Hash Rate 335TH/s ± 3%
Power on wall @25°C, Watt 5445w ± 5%
Power efficiency on wall @25°C, J/TH 16 ± 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, with package),mm 570*316*430
Net weight, kg(2-2) 13.1
Gross weight, kg 15.4
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





Purchasing Guidelines

  • Customers can purchase up to 200 units.
  • If the hashrate of the delivered mining machine is lower than 300TH/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.

Additional information

Weight 18 kg

335 TH/s @ 5445w



Mineable Coins

BTC/BCH etc.

Hash Rate

335 TH/s ± 5%

Power Consumption

5445w ± 5%


16 J/TH ± 5%


RJ45 Ethernet 10/100M


4 x fan


With PSU

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

570 * 316 * 430

Net weight, kg





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