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Antminer S21 200TH/s - High-Performance 200 TH/s Bitcoin Miner (id1355)

Seller: ID2

Antminer S21 200TH/s
Economic efficiency152.99
Operation Time64.5
Energy efficiency88.31
Ecos Score
110.27
Advised

Disclaimer

ASIC purchases on the ECOS Marketplace are direct deals between buyer and seller. Device is transferred upon purchase. All sales are final, non-refundable, and non-exchangeable. ECOS holds no responsibility for these transactions.

Benefits of buying a hosted ASIC

Instant launch
24/7 Maintenance and Security
  • 3500 W
  • 200 TH/s
  • 17.5 J/TH
Hosting Paid Till 2026-05-27Operating Days 487
$ 3397.00 ASIC Price
Online
Antminer S21 200TH/s
Monthly Hosting Fee
$ 200
Hosting Paid Till 2026-05-27Operating Days 487

Benefits of buying a hosted ASIC

Instant launch
24/7 Maintenance and Security
Sign-up bonus

Up to $250

Antminer S21 XP

270 TH/s

TRY BEFORE BUY
270 TH/s30 daysFree
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Bitcoin Mining Profitability Calculator

Antminer S21 200TH/s

Calculate your potential mining reward based on Bitcoin price

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Daily Mining

$9.60

0.00008000 BTC

Monthly Mining

$292.80

0.00244000 BTC

Yearly Mining

$3,513.60

0.02928000 BTC

Only 24 hours until your first BTC rewards

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Description

Antminer S21 200TH is a high-performance ASIC miner designed for Bitcoin mining using the SHA-256 algorithm. This modification belongs to the new generation of hardware from Bitmain and is aimed at professional mining operations with a strong focus on stability under sustained high loads. The Bitmain Antminer S21 (200TH) was developed with current network difficulty levels and the requirements of large-scale mining facilities in mind.
The Antminer S21 (200TH) delivers a hashrate of 200 TH/s while maintaining improved energy efficiency per unit of computing power, which directly impacts overall mining economics. Thanks to its optimized architecture, the Bitmain Antminer S21 200TH helps reduce electricity costs relative to output, making it suitable for long-term operation. The Antminer S21 200T version is often considered a reliable solution for sustained Bitcoin mining in highly competitive environments.

Specifications
  • Model: Antminer S21 200TH
  • Hashrate: 200 TH/s
  • Power Consumption: ~3500 W
  • Energy Efficiency: ~17.5 J/TH
  • Algorithm: SHA-256

When choosing a mining device, it is important to consider not only technical specifications but also hosting conditions, electricity prices, and infrastructure quality. These factors ultimately determine the real efficiency of operating ASIC equipment. On the ECOS marketplace, you can find various offers for the Bitmain Antminer S21 (200TH), and today the Antminer S21 200TH and Bitmain Antminer S21 200T remain among the most well-balanced solutions for Bitcoin mining.

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  • Antminer S21+ 235TH/s

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    2026-04-15 15:22 Seller: ECOS User

  • Antminer S21+ 235TH/s

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    2026-04-15 15:16 Seller: ECOS User

Explore other ECOS mining services

Cloud MiningMine Bitcoin without hardware. Start instantly with flexible contracts.Mining PoolJoin the ECOS mining pool and earn stable BTC rewards.HostingPlace your ASIC at ECOS Data Center with 24/7 maintenance.ASIC MarketplaceBuy and sell used ASIC miners from verified sellers.Rent ASICRent an ASIC and start mining BTC without upfront hardware investment.

Most Profitable ASICs

144.36 ECOS Score

Online
Antminer S21 200TH/s

Antminer S21 200TH/s

  • 200
  • sha256
  • 17.5
Operating Days 822
Monthly Hosting Fee 205.00
1893.00
Seller: ECOS User

142.63 ECOS Score

Online
Antminer S21 200TH/s

Antminer S21 200TH/s

  • 200
  • sha256
  • 17.5
Operating Days 814
Monthly Hosting Fee 205.00
1877.00
Seller: ECOS User

141.21 ECOS Score

Online
Antminer S21 200TH/s

Antminer S21 200TH/s

  • 200
  • sha256
  • 17.5
Operating Days 804
Monthly Hosting Fee 205.00
1963.00
Seller: ECOS User

140.52 ECOS Score

Online
Antminer S21 200TH/s

Antminer S21 200TH/s

  • 200
  • sha256
  • 17.5
Operating Days 805
Monthly Hosting Fee 205.00
1912.00
Seller: ECOS User

Frequently Asked Questions

Everything you need to know about ASIC mining and our marketplace
An ASIC miner is a specialized device designed exclusively for mining. Compared to GPU mining, miners ASIC deliver significantly higher efficiency, which has already made ASIC mining the industry standard for BTC extraction, especially at an industrial scale.
A reliable supplier of ASIC mining hardware operates within a legal framework and often has direct agreements with manufacturers such as Bitmain, MicroBT, and Goldshell. The origin of the equipment can always be verified, and serial numbers match the manufacturer's database. ECOS has been selling bitcoin miners for over eight years and guarantees verified specifications and transparent purchase conditions for anyone looking to buy ASIC miner solutions safely.
When selecting an ASIC mining machine, it is important to consider hashrate, power consumption, and payback period. On our platform, you can compare different ASIC miners by key parameters and choose the most suitable option. You can also browse the marketplace and select bitcoin mining machine offers based on your preferred criteria.
On the ECOS marketplace, users can purchase new and previously used ASIC miners at below-market ASIC prices, start ASIC mining, and later resell their equipment without leaving the platform. The marketplace provides full transparency, showing electricity costs, hosting fees, and service conditions in advance, along with a clear total cost of ownership for each bitcoin mining machine.
On our website, you can purchase new bitcoin mining equipment and place it in our data center, ensuring low electricity costs and stable returns without technical complexity. Marketplace purchases offer the same ASIC mining hardware at a lower ASIC price, but these units have already been in operation.
Yes. We sell only verified used ASIC miners with confirmed specifications and documented operating history.
Warranty terms depend on the specific ASIC mining machine. All warranty details are clearly stated on each miner's listing page.
When selecting an ASIC miner, pay attention to ASIC miner price, efficiency, and expected profitability. Platform filters allow you to sort crypto miners for sale by ROI, listing date, and other parameters. ECOS provides comprehensive analytics to help you choose the most effective bitcoin miners for BTC mining.
Yes. ECOS operates a transparent internal exchange for ASIC mining rigs, where pricing, operating history, and warranty scenarios are visible. This enables multiple strategies — from classic HODL plus mining to cycle arbitrage, where users buy ASIC miner units at a market low, mine BTC, and later resell the bitcoin mining machine for sale during an upswing.

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