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Antminer S21 Pro 234TH/s - Ultimate Bitcoin Mining Power (id2133)

Seller: ID915137

Antminer S21 Pro 234TH/s
Economic efficiency16.63
Operation Time78.6
Energy efficiency4.68
Ecos Score
32.23
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
  • 3510 W
  • 234 TH/s
  • 15 J/TH
Hosting Paid Till 2026-05-25Operating Days 241
$ 1700.00 ASIC Price
Online
Antminer S21 Pro 234TH/s
Monthly Hosting Fee
$ 205
Hosting Paid Till 2026-05-25Operating Days 241

Benefits of buying a hosted ASIC

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

Up to $250

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Antminer S21 XP

270 TH/s

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Bitcoin Mining Profitability Calculator

Antminer S21 Pro 234TH/s

Calculate your potential mining reward based on Bitcoin price

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Daily Mining

$11.23

0.00009360 BTC

Monthly Mining

$342.58

0.00285480 BTC

Yearly Mining

$4,110.91

0.03425760 BTC

Only 24 hours until your first BTC rewards

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Description

Antminer S21 Pro is a professional-grade ASIC miner designed for Bitcoin mining using the SHA-256 algorithm and developed by Bitmain. This model belongs to the advanced next-generation lineup and is focused on delivering maximum performance while maintaining stable operation under sustained high loads. The Bitmain Antminer S21 Pro was engineered with the continuous growth of Bitcoin network difficulty in mind.
As an optimized S21 Pro Antminer, this device offers an improved balance between hashrate and power consumption, which directly impacts overall mining efficiency. Antminer S21 Pro profitability is largely driven by its high energy efficiency and its ability to operate reliably in data centers with optimized infrastructure and low electricity costs. For this reason, the antminer s21 pro is frequently selected for long-term Bitcoin mining strategies.

Specifications
  • Model: Antminer S21 Pro
  • Hashrate: ~234 TH/s
  • Power Consumption: ~3510 W
  • Energy Efficiency: ~15 J/TH
  • Algorithm: SHA-256

The Antminer S21 Pro is well suited for professional miners focused on scaling operations and achieving predictable performance metrics. When evaluating the antminer s21 pro price, it is important to consider not only the hardware cost itself but also hosting conditions, electricity tariffs, and infrastructure reliability. These factors play a crucial role in determining real-world antminer s21 pro profitability and long-term operational efficiency.

Recent deals

  • Antminer S21 Pro 234TH/s

    $1537.5

    2026-05-22 11:11 Seller: ECOS User

  • Antminer S19K Pro 120TH/s

    $3117

    2026-05-21 14:31 Seller: ECOS User

  • Antminer S19K Pro 120TH/s

    $5331

    2026-05-21 14:03 Seller: ECOS User

  • Antminer S21 188TH/s

    $5137

    2026-05-21 13:07 Seller: ECOS User

  • Antminer S21 188TH/s

    $5313

    2026-05-21 11:50 Seller: ECOS User

  • Antminer S21 188TH/s

    $5131

    2026-05-21 10:21 Seller: ECOS User

  • Antminer S19K Pro 110TH/s

    $200

    2026-05-21 10:10 Seller: ECOS User

  • Antminer S19K Pro 110TH/s

    $56.24

    2026-05-20 13:32 Seller: ECOS User

  • Antminer S19K Pro 115TH/s

    $135

    2026-05-19 05:20 Seller: ECOS User

  • Antminer S21+ 235TH/s

    $808

    2026-05-18 20:33 Seller: ECOS User

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Antminer S21 200TH/s

Antminer S21 200TH/s

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Antminer S21 200TH/s

Antminer S21 200TH/s

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Antminer S21 200TH/s

Antminer S21 200TH/s

  • 200
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  • 17.5
Operating Days 830
Monthly Hosting Fee 205.00
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140.52 ECOS Score

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Antminer S21 200TH/s

Antminer S21 200TH/s

  • 200
  • sha256
  • 17.5
Operating Days 831
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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