What is the maximum hashrate of the Antminer S21j XP Hydro?

The Antminer S21j XP Hydro delivers a maximum 495Th/s under SHA‑256, optimized for Bitcoin mining with hydro cooling for stable, high‑density performance.

How much power does the Antminer S21j XP Hydro consume?

It uses 5940W with 12J/Th efficiency, designed for professional facilities with 380-415V input and liquid cooling for thermal control.

What cooling system does the Antminer S21j XP Hydro use?

Advanced hydro cooling requiring 8.0-10.0 L/min coolant flow at ≤3.5 bar pressure, enabling quiet rack‑mounted operation in dense setups.

Which cryptocurrencies can the Antminer S21j XP Hydro mine?

SHA‑256 coins like Bitcoin (BTC), Bitcoin Cash (BCH), and Bitcoin SV (BSV). Ideal for BTC mining pools with Ethernet interface.

What are the coolant requirements for the Antminer S21j XP Hydro?

Antifreeze (pH 7.0-9.0), Pure water (pH 6.5-7.5), or Deionized water (pH 8.5-9.5). Inlet temperature 20-50°C.

Bitmain Antminer S21j XP Hydro Bitcoin Miner

SKU: AS21JHYD Categories: SHA-256 Miner, Asic Miners, Hydro Miner Tags: 310Th/s SHA-256 BTC miner, 5270W 17 J/Th Bitcoin miner, Antminer S21e Hyd 310Th/s, Bitmain Antminer S21e Hydro, hydro-cooled Bitcoin ASIC miner, industrial hydro Bitcoin miner

Express Shipping
PSU Included
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Bundle Discounts

US$7,079.00

Rated 4.60 out of 5 based on 5 customer ratings

(5 customer reviews)

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Hashrate

TH/s

Power

Electricity Cost

	Daily	Monthly	Yearly
Income	$0.00	$0.00	$0.00
Electricity	$0.00	$0.00	$0.00
Profit	$0.00	$0.00	$0.00

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Antminer S21j XP Hydro is manufactured by Bitmain which operates under the SHA-256 algorithm with a maximum hashrate of 495Th/s and power consumption of 5940W.

Specifications

Manufacturer	Bitmain
Model	Antminer S21j XP Hydro
Size w/o	430 X 176X 208mm
Size with	570 X 316 X 430mm
Networking Connection Mode	RJ45 Ethernet 10/100M
Weight Net	16200g
Cooling	Hydrocooling
Power	5940W
Voltage	380-415v
Coolant Flow, L/min	8.0~10.0
Coolant pressure, bar	≤3.5
Coolant pH value	Antifreeze: 7.0~9.0 Pure water: 6.5~7.5 Deionized water: 8.5~9.5
Working Coolant^(2-2)	Antifreeze/ Pure water/ Deionized water
Interface	Ethernet
Storage Temp.	-20-70
Temperature	20 – 50 °C
Humidity	10 – 90 %
Warranty	365 Days

Antminer S21j XP Hydro

Algorithm
SHA-256
Hashrate
495Th/s
Consumption
5940W

Minable coins with Antminer S21j XP Hydro

Bitcoin

Bitmain Antminer S21j XP Hydro

Manufactured by Bitmain, the Antminer S21j XP Hydro Bitcoin Miner is a high‑performance SHA‑256 unit designed for operators who need strong hashpower with stable hydro‑cooled operation. Delivering up to 495Th/s at 5940W of power draw, it offers a balance of output and efficiency suited to modern Bitcoin network conditions. Built around liquid cooling, the S21j XP Hydro is aimed at farms and professional setups that want dense rack layouts without excessive heat and noise.

With 380-415V input range and Ethernet connectivity, the Antminer S21j XP Hydro integrates cleanly into existing high‑voltage infrastructure and standard pool configurations. The hydro system keeps chips at controlled temperatures across long sessions with 8.0-10.0 L/min coolant flow and ≤3.5 bar pressure. Optimized for continuous operation, it pairs its liquid loop with a solid industrial chassis rated for 24/7 use. For teams seeking a dense, water‑cooled SHA‑256 option with proven Bitmain engineering, the Antminer S21j XP Hydro stands out as a practical choice.

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.

5 reviews for Bitmain Antminer S21j XP Hydro Bitcoin Miner

Rated 4 out of 5

Lesley Binder – May 28, 2026

The Antminer S21j XP Hydro is one of the best mining units I’ve used so far. setup was simple, performance is excellent, and highly recommended for serious miners.
Rated 5 out of 5

Andy Mccarthy – May 28, 2026

I’m impressed with the quality and efficiency of the s21j xp hydro. The pricing was better than other suppliers I checked, delivery was quick, and the miner has been operating perfectly since installation.
Rated 5 out of 5

Neal Walters – May 28, 2026

I recently bought the s21j xp hydro and it has exceeded my expectations. The machine runs efficiently with hydro cooling, the seller provided excellent support, and the delivery arrived earlier than expected.
Rated 4 out of 5

Alex Heath – May 28, 2026

I just received my bitmain antminer s21j xp miner, and it’s working perfectly! The performance is amazing, setup was easy, and the machine runs very efficiently.
Rated 5 out of 5

Michael Walsh – May 28, 2026

I recently got the bitmain s21j XP, and it exceeded my expectations. fast shipping, stable performance, and very reliable operation so far. highly recommended for serious miners!

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Questions & Answers

What is the maximum hashrate of the Antminer S21j XP Hydro?

The Antminer S21j XP Hydro delivers a maximum 495Th/s under SHA‑256, optimized for Bitcoin mining with hydro cooling for stable, high‑density performance.
How much power does the Antminer S21j XP Hydro consume?

It uses 5940W with 12J/Th efficiency, designed for professional facilities with 380-415V input and liquid cooling for thermal control.
What cooling system does the Antminer S21j XP Hydro use?

Advanced hydro cooling requiring 8.0-10.0 L/min coolant flow at ≤3.5 bar pressure, enabling quiet rack‑mounted operation in dense setups.
Which cryptocurrencies can the Antminer S21j XP Hydro mine?

SHA‑256 coins like Bitcoin (BTC), Bitcoin Cash (BCH), and Bitcoin SV (BSV). Ideal for BTC mining pools with Ethernet interface.
What are the coolant requirements for the Antminer S21j XP Hydro?

Antifreeze (pH 7.0-9.0), Pure water (pH 6.5-7.5), or Deionized water (pH 8.5-9.5). Inlet temperature 20-50°C.

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