Write a review BV Bruno Vargas ES Easier than I expected. Thanks Faye I'm very satisfied with my purchase (Elphapex Home). Additionally, I must thank Faye for the excellent service she provided; she answered all my questions whenever I needed. I think I'll definitely go for another device. Date of experience : January 20, 2025 LC Luis Clingerman US Fast Shipping The customer service on WhatsApp is excellent, and shipping is fast - from Hong Kong to North America without delay. I'm very happy with the experience! Date of experience : January 31, 2025 CM Caleb Montgomery CA Faye was very kind and helpful Faye was very kind and helpful, even with the time difference. She quickly cleared up my doubts about the L9 miner. Date of experience : January 31, 2025 JP Jerry Pan US Fast Shipping Order arrived sooner than expected - great experience with Apexto Mining! Date of experience : March 03, 2025 RH Rephael Hanks CA Buying miners from Apexto for 5 years Buying miners from Apexto for 5 years - trustworthy, professional, and delivers quality! Date of experience : March 03, 2025 Reviews There are no reviews yet. Be the first to review “Bitmain Antminer S21e Hydro 288Th/s 310Th/s 322Th/s 17J/T Bitcoin Miner Hydro Cooling”You must be logged in to post a review.

Bitmain Antminer S21e Hydro 288Th/s 310Th/s 322Th/s 17J/T Bitcoin Miner Hydro Cooling

SKU: Antminer S21e Hydro

Manufacturer Warranty

PSU Included

Bitmain Antminer S21e Hyd is a SHA-256 ASIC miner for Bitcoin, delivering 310 TH/s at 5,270W with an energy efficiency of 17 J/TH.

With rapid market changes, miner prices can vary frequently, even within a short time. Kindly verify the latest price with our sales team before making your payment.

Price range: $1,210.00 through $1,695.00

Hash Rate

288T
310T
332T

Clear

Apexto is now offering U.S.-based inventory and DDP (Delivered Duty Paid) shipping for customers in the U.S. For more details, pls. contact our sales team.

Order 2 or more machines to save on shipping costs! Contact our sales team now to secure the best rates.

Trusted by

Payment Method

USD

USDT(TRC 20)

KAS

BTC

ETH

LTC

DOGE

USDC(ERC20)

Profitability

Coin：

Coin price：

Electricity Cost/kWh：

Pool Fee/%

Hashrate()：

Power(W)：

Miner Price：

Number of Miners：

Be careful, the calculation results are average, but the final result is not the same.

Calculation Results

Profit : —

Reward(): —

Payback Period: —

Income in money : —

Income in %: —

Electricity Costs : —

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Antminer S21e Hydro Description

The Bitmain Antminer S21e Hydro is a high-performance Bitcoin mining machine designed for professional water-cooled mining setups. Built for the SHA-256 algorithm, it delivers hashrate options of 288 TH/s, 310 TH/s, and 322 TH/s with an energy efficiency of 17 J/T, making it a reliable choice for efficient BTC mining.

Equipped with advanced hydro cooling, this water-cooled Bitcoin miner maintains stable temperatures under heavy loads, reduces noise, and supports long-term operation. Ideal for water cooling mining farms, immersion or hydro systems, the S21e Hydro helps maximize uptime and performance while lowering operational heat management costs.

Antminer S21e Hydro Specifications

Manufacturer	Bitmain
Model	Antminer S21e Hyd (288Th)
Release	Apr 2025
Size	339173207mm
Noise level	50db
Cooling	Hydro-cooling
Hashrate	288T/310T/332T
Efficiency	17J/T
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
Interface	Ethernet
Temperature	41 – 113 °F
Humidity	5 – 95 %

Power Cord Standard

Common plug standards and their compatible regions.

US Standard

Type A/B

UK Standard

Type G

EU Standard

Type C/E/F

CN Standard

Type I

See All Regions >

Processing & Shipping Time

In-stock miners will ship within 3 business days. For bulk orders, please allow an additional 1-2 days via DHL Express, UPS, FedEx, or TNT.

Pre-order miner delivery times depend on the factory schedule. Estimated delivery dates are provided on the order page, but delays may occur due to production issues.

Shipments are processed on a first-paid, first-shipped basis. Once full payment is received, we aim to ship as quickly as possible. Payments via wire transfer (T/T) may take 3-7 business days to verify, while cryptocurrency payments typically take a few hours to 1 business day.

International shipping usually takes 5-8 business days, with remote locations potentially requiring 8-10 days.

*All sales are final and non-refundable. Please understand, this is an industry standard.

Payment Policies

All products listed on our website are priced in US Dollars.

We accept payments via bank wire transfer or online cryptocurrency payment (BTC, ETH, KAS, USDT, USDC).

If you prefer other payment methods, please contact our sales team.

Important: All cryptocurrency payments received on the website are automatically converted to USDT. If a product is out of stock, we will contact you for a refund. The refund will be based on the USD price at the time of your original order.

Taxes & Custom Duties

We offer DDP (Delivery Duty Paid) shipping to some countries, including the United States, Canada, Russia, Dubai, and certain EU countries.

If you require DDP shipping, please contact our customer service. For countries without DDP shipping or for standard shipping, we can help reduce taxes by providing a lower invoice value.

Customs duties are not included in the total price. You will need to pay them once the goods arrive in your country. Simply contact your local logistics company to settle the fees. If needed, we can provide a commercial invoice with a declared value of your choice.

Please notify us immediately if customs requests documents, as improper filing may lead to higher fees or delays. We can provide the necessary documentation.

Warranty & Buyer Protection

For new, factory-sealed miners, the warranty is typically 12 months or 6 months, depending on the factory's policy, starting from the production date.

The company is not responsible for issues resulting from failure to follow the provided instructions, specifications, or alterations to the product.

For used mining machines, there is no warranty or after-sales service; however, before shipment, we will provide mining machine testing videos to ensure you understand its performance. Once you confirm acceptance, we will proceed with full communication and arrange shipment.

Transportation and any other costs related to product returns are the responsibility of the purchaser.

The repair period will depend on the nature of the issue.

Review

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Manual

Get the manual - it will help you quickly get started and master the basics.

S21e-Hyd.-Product-Manual-v1.2.2.pdf

In-stock miners will ship within 3 business days. For bulk orders, please allow an additional 1-2 days via DHL Express, UPS, FedEx, or TNT.

Pre-order miner delivery times depend on the factory schedule. Estimated delivery dates are provided on the order page, but delays may occur due to production issues.

International shipping usually takes 5-8 business days, with remote locations potentially requiring 8-10 days.

*All sales are final and non-refundable. Please understand, this is an industry standard.

All products listed on our website are priced in US Dollars.

We accept payments via bank wire transfer or online cryptocurrency payment (BTC, ETH, KAS, USDT, USDC).

If you prefer offline payment, you can contact our online customer service.

Verify and only use the official collection accounts below:

• USDT TRC20: Starts with TRMJuGXKD6, ends with wD1nQhrQx4

• USDT ERC20: Starts with 0x74c8b301, ends with afAC3BE37f

• USDC TRC20 Address: Starting with "TRMJuGXKD6, and ending with "wD1nQhrQx4"

• USDC ERC20 Address: Starting with "0x74c8b301", and ending with "afAC3BE37f"

• BTC Address: Starting with "1Ar7Mt8AME, and ending with "B9wS8s2KQ7"

• ETH Address: Starting with "0x74c8b301, and ending with "afAC3BE37f"

• LTC Address: Starting with "LYYHkYb19e, and ending with "3T7HeDM1Yr"

• Bank-USD: APEXTO COMPANY LIMITED / LEADERSPOWER TECHNOLOGY COMPANY LIMITED

Note: Offline orders are only valid when placed within the social media group that includes our CFO, Lili Guo.
(WeChat / Telegram / WhatsApp: +86 13713801796)

We offer DDP (Delivery Duty Paid) shipping to some countries, including the United States, Canada, Dubai, and certain EU countries.

If you require DDP shipping, please contact our customer service. For countries without DDP shipping or for standard shipping, we can help reduce taxes by providing a lower invoice value.

Please notify us immediately if customs requests documents, as improper filing may lead to higher fees or delays. We can provide the necessary documentation.

For new, factory-sealed miners, the warranty is typically 12 months or 6 months, depending on the factory's policy, starting from the production date.

The company is not responsible for issues resulting from failure to follow the provided instructions, specifications, or alterations to the product.

Transportation and any other costs related to product returns are the responsibility of the purchaser.

The repair period will depend on the nature of the issue.

Write a review

Reviews

There are no reviews yet.

Be the first to review “Bitmain Antminer S21e Hydro 288Th/s 310Th/s 322Th/s 17J/T Bitcoin Miner Hydro Cooling”

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Customer FAQs

Can I get a discount?

We offer holiday and special discounts periodically. Stay updated by following our website or joining our TG group (https://t.me/apextomining). We recommend joining our TG group, as special offers and discounts are typically announced there first.

We also provide wholesale prices for Bulk orders. We offer tailored discounts and dedicated support for large-quantity purchases, helping you acquire mining equipment at the most competitive market prices. You can email us at info@apexto.com.cn

Can I pick up the machine myself?

Yes, we offer self-pickup options. We have warehouses in Hong Kong, and the United States, so you can choose the nearest location based on your needs. Alternatively, we can also ship the machine to your forwarder's address.

Are miners purchased through you new?

Yes, we only sell brand new, factory-sealed miners. Apexto Team purchases equipment directly from the factory, ensuring all products are new and unused.

Typically, miners are shipped directly from the warehouse without opening the packaging. We only open the packaging for testing if requested by the customer before shipment.

Is there a minimum order quantity for miners?

No, there is no minimum order quantity. We cater to miners of all scales and understand that many investors prefer to start small before committing to larger investments.

Can l visit your warehouse in person before placing an order?

Yes, we welcome customers from all over the world to visit our warehouse. If it's not convenient for you, we can arrange an online video meeting or video call.

Are offline transactions with Apexto safe?

Absolutely—just follow these steps to keep your order secure:

1. Authenticate Apexto staff identity first via our official verification page: https://apextomining.com/about-us/staff-authentication/

2. Place your order only within the social media group with CFO Lili Guo (WeChat/TG/WhatsApp: +86 137 1380 1796).

3. Use only our official collection accounts:
USDT TRC20: Starting with "TRMJuGXKD6", and ending with “wD1nQhrQx4"
USDT ERC20: Starting with "0x74c8b301", and ending with "afAC3BE37f"
Bank-USD: APEXTO COMPANY LIMITED/LEADERSPOWER TECHNOLOGY COMPANY LIMITED

Following these steps ensures your payment goes to the right place and your transaction stays fully protected.