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Antminer S21

Antminer S21

3
Hash rate
200
 TH/s
energy efficiency
17.5
 W/THs
anNual ROI
56
%
monthly profit
$
100

Quantity

1
daily income
$8.69
0.000181
 BTC
daily electricity fee
$
5.0
$
3.75
- 20% cashback
price
$
5 176

How does it work?

Buy one or several miners

Miners will start operating within a 24 hours after the payment

Bitcoins are accrued and electricity fee is taken daily

We keep miners up and running 24/7

Daily income in 2023 per miner

total for 2023
$5 000

Est. long-term profit per miner

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period
electricity fees
total income
Total Profit
1 year
$1 160
$3 350
0.113052 BTC
$2 190
3 years
$3 480
$10 050
0.339154 BTC
$6 570
5 years
$5 800
$16 750
0.565260 BTC
$10 950

Contract highlights

Secure Your risks

All contract terms are fixed for 3 years, ensuring stable electricity prices throughout the period.

Flexible contract terms

Extend your contract after expiration or trade-in your miner for a newer model.

Extended warranty

Enjoy a 2-year extended warranty: 1 year from the manufacturer and 1 additional year from Cuverse.

Express repairs

We handle all minor repairs and faults promptly at our own expense to keep your operations running smoothly.

Quick start

Your miner will be connected and operational within 24 hours after purchase.

All-Inclusive costs

All costs (taxes, delivery, customs clearance, etc.) are included in the price of the miner. No hidden fees – everything is covered in the electricity fee.

Secure Your risks

All contract terms are fixed for 3 years, ensuring stable electricity prices throughout the period.

Flexible contract terms

Extend your contract after expiration or trade-in your miner for a newer model.

Extended warranty

Enjoy a 2-year extended warranty: 1 year from the manufacturer and 1 additional year from Cuverse.

Express repairs

We handle all minor repairs and faults promptly at our own expense to keep your operations running smoothly.

Quick start

Your miner will be connected and operational within 24 hours after purchase.

All-Inclusive costs

All costs (taxes, delivery, customs clearance, etc.) are included in the price of the miner. No hidden fees – everything is covered in the electricity fee.

About 

Antminer S21

Announced by Bitmain in July 2023, the Antminer S21 (200 TH/s, 3500 W) stands out as a powerful cryptocurrency mining machine. With its remarkable energy efficiency, it's designed to tackle even the most demanding mining tasks. This model is designed with energy efficiency in mind, allowing miners to maximize their returns while minimizing electricity costs. Its robust structure ensures durability and reliability, crucial for continuous and intensive mining. The Bitmain S21 also features an advanced cooling system that effectively manages heat dissipation and maintains optimal operating temperatures even under heavy workloads. This ensures smooth device operation and reduces the risk of overheating-related failures.

20% cashback for new customers

For a limited time, get cashback on electricity fees for one year with a miner purchase

Learn more about cashback

Where will my miners work?

Your miners will operate in one of our state-of-the-art data centers, designed to provide the best possible environment for Bitcoin mining.

Advanced Facilities

We have built 4 modern data centers powered by inexpensive low-carbon energy, ensuring sustainability and cost-efficiency.

Optimal Conditions

Our data centers are equipped with professional cooling systems that maintain ideal temperatures year-round, regardless of external weather conditions.

Comprehensive Security

All data centers are outfitted with extensive monitoring, visitor registration systems, and video surveillance cameras covering all visible areas inside and outside the buildings.

Robust Network Infrastructure

We separate Internet access from the local network and use traffic filtering to prevent malware. Our local network, with 2 Tbit/s speed, provides isolated L3VPNs for each customer.

This miner doesn't fit? We have more

Avalon A1346

8
hash rate
113
 TH
efficiency
30
 W/TH
daily income
0.000082
 BTC
$4.91
daily electricity fee
$
4.8
$
3.6
–20% cashback
annual ROI
57
%
miner price
$
1 124
Miner info
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Antminer S19k PRO

4
hash rate
120
 TH
efficiency
23
 W/TH
daily income
0.000108
 BTC
$4.91
daily electricity fee
$
4.0
$
3.0
–20% cashback
annual ROI
61
%
miner price
$
1 330
Miner info
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Avalon 1446

5
hash rate
133
 TH
efficiency
24.5
 W/TH
daily income
0.000120
 BTC
$4.91
daily electricity fee
$
4.8
$
3.6
–20% cashback
annual ROI
74.6
%
miner price
$
1 665
Miner info
Buy now

Antminer T21

2
hash rate
190
 TH
efficiency
19
 W/TH
daily income
0.000172
 BTC
$4.91
daily electricity fee
$
5.2
$
3.9
–20% cashback
annual ROI
58
%
miner price
$
4 430
Miner info
Buy now

FAQ

You purchase a miner contract, we connect it to our network, maintain, repair and monitor, so it can work efficiently all the time. All you need to do is to choose a miner and pay for it.

Coins mined during the entire preceding day are calculated once daily. If you only started mining, you will get your first coins on the following day.

Miner requires electricity in order to function. Every miner’s energy consumption needs are listed in miner specifications. There is a separate “Electricity payments” balance" in the dashboard. The required amount of money is written off from it daily.

You can extend its duration, sell a miner or pass it to a trade-in after the contract term expires.

Have another question?

Terms and Conditions for the Promotion "20% Cashback on Electricity Fee with Miner Purchase" by Cuverse

Hong Kong 2024

These Terms and Conditions are an integral part of the Cuverse Terms and define the procedure, conditions, place, and terms of the "20% Cashback on Electricity Fee with Miner Purchase" promotion (hereinafter referred to as the "Promotion").

1. Name of the Promotion

1.1. Name of the Promotion: "20% Cashback on Electricity Fee with Miner Purchase".

2. Territory of the Promotion

2.1. Territory of the Promotion: all regions where Cuverse is present.

3. Terms and Definitions

3.1. Promotion - a marketing event by Cuverse aimed at increasing customer activity in purchasing services and enhancing participant loyalty to the Cuverse Loyalty Program. 

3.2. Cashback - a conditional unit credited by Cuverse to the Participant's account for fulfilling the Promotion conditions, used exclusively for paying electricity fees. Cashback is not and cannot be a means of payment, any type of currency, or security, and cannot be cashed out, transferred, gifted to third parties, or inherited. 

3.3. Company - Cuverse, registered in Hong Kong, with a registered address at 7/F, MW Tower, 111 Bonham Strand, Sheung Wan, Hong Kong. 

3.4. Participant of the Promotion - an individual or legal entity who is at least 18 years old and fully competent, purchasing a miner during the Promotion period and agreeing to the terms of these Terms and Conditions. 

3.5. Promotion Period - from September 1 to December 1, 2024, inclusive.

4. General Provisions

4.1. These Terms and Conditions define the conditions and procedure for conducting the Promotion and for customer participation in the Promotion. The Terms are a public offer and are posted on the official Cuverse website. 

4.2. Participation in the Promotion implies the Participant's full agreement with these Terms and Conditions.

5. Promotion Conditions

5.1. Within the Promotion, the Participant, by purchasing a miner on the official Cuverse website from July 1 to September 1, 2024, gains the right to receive a 20% cashback on electricity fee payments. 

5.2. Cashback is credited on the 15th of each month following the purchase. 

5.3. Cashback is provided for one calendar year from the date of the miner purchase and is valid only for electricity fees accrued during this period.

6. Participation Procedure

6.1. To participate in the Promotion, the Participant must purchase a miner on the official Cuverse website from September 1 to December 1, 2024. 

6.2. After completing the miner purchase on the website, the Participant automatically becomes a participant in the Promotion and gains the right to cashback according to these Terms and Conditions. 

6.3. Participation in the Promotion does not require additional applications or registrations.

7. Procedure for Crediting and Using Cashback

7.1. Cashback of 20% is credited to the Participant's account on the 15th of each month following the miner purchase. 

7.2. Credited cashback can be used by the Participant exclusively for paying electricity fees. 

7.3. Cashback is non-refundable and cannot be converted into cash. Unused cashback is canceled after one calendar year from the date of the miner purchase. 

7.4. In case of contract cancellation, previously credited cashback is canceled.

8. Responsibility of the Parties

8.1. The Company is not responsible for any losses incurred by the Participant as a result of using or being unable to use the provided cashback. 

8.2. The Participant is fully responsible for complying with these Terms and Conditions and for using the provided cashback.

9. Confidentiality

9.1. The Company undertakes not to disclose the Participant's personal data to third parties, except as required by applicable law.

10. Other Conditions

10.1. The Company reserves the right to make changes to the Promotion conditions and these Terms and Conditions by notifying the Participants by publishing the changes on the official Cuverse website no later than 7 calendar days before the changes come into force. 

10.2. Participation in the Promotion implies the Participant's full agreement with these Terms and Conditions. 

10.3. All disputes arising in connection with the Promotion shall be resolved through negotiations. If an agreement is not reached, the dispute shall be referred to the court at the Company's location in accordance with applicable law. 

10.4. The Participant is independently responsible for fulfilling their tax obligations, including the payment of all applicable taxes and other mandatory payments in respect of income received under the Promotion.