- Manufacturer Bitmain
- Algorithm SHA-256
- Efficiency 16.5j/Th
- Power 3564kW·h
- Power connector P13
- Release date 1 июн 2025
Antminer S21+ 216Th/s
2130 USDT (The price includes VAT) In the market
- Condition New
- Availability Preorder
- Waiting (days) 30
Can you trust R7miner?
The Trust system has determined that the seller R7miner can be fully trusted, based on the positive factors listed below.
The seller is a legal entity. The company ООО "РАЙТ ГРУПП" is registered 26 мая 2021.
The company’s registration date indicates extensive experience and allows this parameter to be completely removed from the risk list.
There are 12 employees officially employed at R7miner company.
Having this number of employees significantly increases confidence in the seller’s добросовестной (in good faith) operations.
The seller operates in 2 cities.
The formula for assessing trust in a seller takes into account more than 40 criteria: from public reputation and reviews to information about the company’s official revenues. We do not provide a full list of formula parameters to avoid giving unscrupulous companies instructions on how to artificially boost their Trust Factor score.
Ad description
R7miner offers a new ASIC miner Bitmain Antminer S21+ with a hashrate of 216 Th in Москва.
Equipment is available on pre-order with a waiting time up to 30 days.
Company reliability analysis
The criteria and their strictness depend on the main activity of the company and the presence of certain announcements
Company verification
The seller has confirmed the company through government registries
Legal entity
The company is registered as a legal entity
Company status
The company is active according to official registries
Company age
Time elapsed since the company’s registration
Risk factors
Indicators of unfair business practices by the company or its management
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Arbitration cases
The coefficient depends on the company's operating time
Official website
Presence and quality of the company’s official website
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Phone number
The company has provided a phone number
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Company video
The company has posted a video
Company photos
Photos increase transparency
Authorized capital
Officially confirmed authorized capital of the company
Official revenue
Revenue according to financial statements
Non-negative profit
The company’s official profit is positive
Number of employees
Only officially registered employees are counted
Verified offices
Confirmed office locations increase trust
Unique content
Unique images and descriptions increase credibility
Average response time
How quickly the seller responds to messages
Avoids verification
The company ignores representatives of the Trust Mining service
Federal Tax Service mining registry
The company is an operator of mining infrastructure
Hosting site access
The company allows visits to the hosting facility
Other offers Antminer S21+
Frequently Asked Questions
Для безопасности пользователей в нашем сервисе внедрена уникальная метрика Trust Factor. Перейдите в карточку компании или посмотрите на значок в объявлении