What is the hash rate of the Bitmain Antminer S21+ Hydro?

The hash rate is 319 Th/s, ideal for high-performance Bitcoin mining.

What is the noise level of the Bitmain Antminer S21+ Hydro?

The noise level is around 50 dB. It uses hydro cooling instead of noisy fans.

What is the net weight of the Bitmain Antminer S21+ Hydro miner?

It has a net weight of 13.8 kg, suitable for stable setup and handling.

Which coin does the Bitmain Antminer S21+ Hydro mine, and what algorithm does it use?

It mines Bitcoin coins using the SHA-256 algorithm, built for private and secure computations.

What are the input voltage requirements?

It supports standard 380 – 415V input, compatible with most mining setups.

What are the dimensions of the Bitmain Antminer S21+ Hydro?

The compact size makes it easier to fit in tight spaces and dimension 339 X 173 X 207 mm.

How long is the warranty for the Bitmain Antminer S21+ Hydro?

Bitmain Antminer S21+ Hydro provides a 365-day warranty covering hardware issues and manufacturing defects.

Is the Bitmain Antminer S21+ Hydro suitable for high-temperature environments?

Yes, it runs best between 20°C and 50°C. Higher temperatures may reduce performance and lifespan.

Bitmain Antminer S21+ Hydro Bitcoin Miner

SKU: S21+HYD Categories: SHA-256 Miner, Asic Miners, Hydro Miner Tags: Antminer S21+ Hydro, Bitmain Antminer S21+ Hydro 395Th/s, buy liquid cooled Bitcoin miner, comprar minero Bitcoin refrigeración líquida, hydro cooling Bitcoin ASIC

Express Shipping
PSU Included
Quick assist
Bundle Discounts

US$2,839.00

Rated 4.67 out of 5 based on 6 customer ratings

(6 customer reviews)

Our Exclusive Mining Offers

Discover Deals

Get in touch with our expert

Antminer S21+ Hydro is manufactured by Bitmain which operates under the SHA-256 algorithm with a maximum hashrate of 319Th/s and power consumption of 4785W.

Specifications

Manufacturer	Bitmain
Model	Antminer S21+ Hyd
Size w/o	339 X 173 X 207mm
Size with	570 X 316 X 430mm
Weight Net	13800g
Noise level	50db
Voltage	380-415V
Coolant Flow, L/min	8.0~10.0
Coolant pressure, bar	≤3.5
Coolant PH value	Antifreeze: 7.0~9.0 Prue water: 6.5~7.5 Deionized water：8.5~9.5
Working coolant	Antifreeze/ Pure water/Deionized water
Power	4785W
Interface	Ethernet
Storage Temp.	-20-70
Temperature	20 – 50 °C
Humidity	10 – 90 %
Warranty	365 Days

Antminer S21+Hydro

Algorithm
SHA-256
Hashrate
358Th/s - 395Th/s
Consumption
4785W

Minable coins with Antminer S21+Hydro

Bitcoin

Bitcoin Miner

Bitmain Antminer S21+ Hydro mining the SHA 256 algorithm has a maximum hashrate of 319Th/s at a power consumption of 4785W. Weighing around 15kgs, Antminer S21+ gives an energy efficiency of 15j/Th. It has a reduced noise level of 50 db, ensuring a convenient mining experience for miners.

Launched in February 2025, Antminer S21+ Hydro is an advanced Bitcoin miner designed to meet the evolving needs of modern miners. Industry-standard design, efficient hydro cooling system, high hash rate, and reduced noise level are some prominent features of Antminer S21+. The storage temperature of Antminer S21+ Hydro is -20-70.

Order Processing: All orders are processed and dispatched within 48 hours after verified full payment, unless otherwise stated. Bulk orders may require an additional 1–2 business days for handling.
Shipping Carriers: We ship exclusively via reputable international carriers such as DHL Express, UPS, FedEx, ARAMEX, and TNT. Bank transfer clearing times vary by bank and location. Cryptocurrency payments are typically confirmed within 1 business day.
Estimated Delivery: Standard international shipping usually takes 4–7 business days to arrive after dispatch. Actual delivery may be affected by customs clearance and local carrier conditions, with total delivery time ranging from 8–10 business days.

Accepted Payments: We accept payments by Bank Transfer (Wire) and cryptocurrencies supported at checkout. All prices are displayed in U.S. Dollars (USD).
Cryptocurrency Payments: Due to market volatility, cryptocurrency payments are calculated at the current exchange rate displayed at checkout. The final payable amount is confirmed at the time of payment.

Customs & Delivery: Shipments are managed through DHL, UPS, FedEx, ARAMEX, and TNT for most international destinations.
DDP Option: We offer Delivery Duty Paid (DDP) service in select countries, which covers customs, duties, and taxes in the purchase price. Advance arrangement is required - please contact info@cryptominerbros.com for details.
Returns to Hong Kong: If a product must be returned to Hong Kong, the customer is responsible for all related shipping fees as outlined in our Returns & Refund Policy.

6 reviews for Bitmain Antminer S21+ Hydro Bitcoin Miner

Rated 5 out of 5

Ambrose Daniel – February 23, 2026

Amazing service! The ordering process was smooth and simple. My miner arrived earlier than the estimated delivery date. very happy with the overall experience.
Rated 4 out of 5

Emmett Romero – February 23, 2026

Fast shipping and smooth transaction. I didn’t face any issues while ordering, and the miner arrived in excellent condition. trusted service for sure.
Rated 5 out of 5

Bennett White – February 23, 2026

Excellent experience! I was a bit worried about customs in Australia, but everything was managed perfectly. Fast delivery, fair pricing, and very professional service.
Rated 5 out of 5

Noah Rowse – February 23, 2026

I recently purchased the Antminer S21+ Hydro from Miner Bros and I’m really impressed! The pricing was very competitive, shipping was fast, and the miner is running flawlessly. Huge thanks to the Miner Bros team for the smooth experience!
Rated 5 out of 5

Franklin Jenning – February 23, 2026

I was looking for a good deal on the Antminer S21+ Hydro and Miner bros delivered. Fast dispatch, smooth communication, and the miner is running perfectly. very happy with my purchase!
Rated 4 out of 5

Philbert Elledge – February 23, 2026

Honestly better than I expected. easy checkout, quick dispatch, and timely delivery. everything went perfectly. would buy again without hesitation.

Add a review

You must be logged in to post a review.

Questions & Answers

What is the hash rate of the Bitmain Antminer S21+ Hydro?

The hash rate is 319 Th/s, ideal for high-performance Bitcoin mining.
What is the power consumption of the Bitmain Antminer S21+ Hydro?

It consumes 4785W of power.
What is the noise level of the Bitmain Antminer S21+ Hydro?

The noise level is around 50 dB. It uses hydro cooling instead of noisy fans.
What is the net weight of the Bitmain Antminer S21+ Hydro miner?

It has a net weight of 13.8 kg, suitable for stable setup and handling.
Which coin does the Bitmain Antminer S21+ Hydro mine, and what algorithm does it use?

It mines Bitcoin coins using the SHA-256 algorithm, built for private and secure computations.
What are the input voltage requirements?

It supports standard 380 – 415V input, compatible with most mining setups.
What are the dimensions of the Bitmain Antminer S21+ Hydro?

The compact size makes it easier to fit in tight spaces and dimension 339 X 173 X 207 mm.
How long is the warranty for the Bitmain Antminer S21+ Hydro?

Bitmain Antminer S21+ Hydro provides a 365-day warranty covering hardware issues and manufacturing defects.
Is the Bitmain Antminer S21+ Hydro suitable for high-temperature environments?

Yes, it runs best between 20°C and 50°C. Higher temperatures may reduce performance and lifespan.

CHANNEL PARTNER

Red Panda Mining is Official Channel Partner Of Cryptominerbros.com. Checkout Red Panda Mining On Youtube and Get Best video for Crypto Mining and Discover Asic Mining , GPU Mining & FPGA Mining.

We are teamed up with VoskCoin to provide our customers with the latest innovations in cryptocurrency miners and an overview of the machine to the Crypto mining community. This will provide our customers with the latest crypto-mining tools and insights to help you succeed in this ever-evolving industry.