15%
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On every new user’s first purchase. No limit on the purchase amount.
Buy Antminer S21+ 225TH/s | ECOS ASIC Marketplace
39 Antminer S21+ 225TH/s units available for sale
Antminer S21 is a next-generation Bitcoin mining machine designed for high-performance SHA-256 mining. Introduced by Bitmain as an upgrade to previous S-series models, this ASIC focuses on improved energy efficiency and higher hashrate, making it suitable for modern large-scale and hosted mining operations. The Bitmain Antminer S21 is built to meet current network difficulty levels while keeping operating costs under control.
As an advanced S21 Antminer, this model targets miners who prioritize efficiency and long-term competitiveness. Compared to earlier generations, the Antminer S21 delivers more hashing power per watt, which is a key factor in profitability for Bitcoin mining machines operating in data centers or professional hosting facilities.
Specifications
- Model: Antminer S21
- Hashrate: 200 TH/s
- Power Consumption: 3500 W
- Efficiency: ~17.5 J/TH
- Algorithm: SHA-256
The Antminer S21 is positioned as a strong solution for industrial-grade Bitcoin mining. Its performance profile makes it well-suited for environments with optimized electricity pricing and stable infrastructure. When evaluating the Antminer S21 price, miners typically consider not only the hardware cost but also hosting conditions, uptime guarantees, and overall operational efficiency.
On the ECOS marketplace, Bitmain Antminer S21 price offerings may vary depending on device condition, hosting terms, and service options. Whether you are searching for Bitmain Antminer S21, checking the Antminer S21 price, or comparing antminer s21 bitcoin mining machines, this model represents a forward-looking choice for miners planning long-term participation in the Bitcoin network.
Price range
All
| MODEL | HASHRATE | DAILY INCOMEINCOME | ROI | PRICE |
|---|---|---|---|---|
 S21+ 138.7 ECOS Score | 225 TH/s3713W | $11.7/day | 79.57%/year | $2230 |
S21+ 137.1 ECOS Score | 225 TH/s3713W | $11.7/day | 77.15%/year | $2300 |
S21+ 120.0 ECOS Score | 225 TH/s3713W | $11.7/day | 53.74%/year | $3302 |
S21+ 116.6 ECOS Score | 225 TH/s3713W | $11.7/day | 50.37%/year | $3523 |
S21+ 113.6 ECOS Score | 225 TH/s3713W | $11.7/day | 47.73%/year | $3718 |
S21+ 121.4 ECOS Score | 225 TH/s3713W | $11.7/day | 55.23%/year | $3213 |
S21+ 117.3 ECOS Score | 225 TH/s3713W | $11.7/day | 51.01%/year | $3479 |
S21+ 118.2 ECOS Score | 225 TH/s3713W | $11.7/day | 51.66%/year | $3435 |
S21+ 119.0 ECOS Score | 225 TH/s3713W | $11.7/day | 52.69%/year | $3368 |
S21+ 124.8 ECOS Score | 225 TH/s3713W | $11.7/day | 57.61%/year | $3080 |
S21+ 126.1 ECOS Score | 225 TH/s3713W | $11.7/day | 58.45%/year | $3036 |
S21+ 127.7 ECOS Score | 225 TH/s3713W | $11.7/day | 59.49%/year | $2983 |
Popular Picks
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The ECOS turnkey ASIC mining marketplace combines ASIC mining hardware, professional hosting, full-cycle maintenance, and secondary market resale in a single transparent ecosystem for Bitcoin miners. This unified platform lets you buy, host, monitor, and resell ASIC miners in one place, improving liquidity, reducing risks, and bringing crypto mining closer to modern financial market standards of transparency and efficiency.
The ECOS turnkey mining marketplace offers:
- The ECOS marketplace brings ASIC mining hardware, hosting, maintenance, and resale into a single transactional environment, acting as a one‑stop shop for Bitcoin mining. It allows users to compare ASIC miner price, conditions, and terms, assess the risks of purchasing used ASIC miners, and then complete a deal within the same secure platform.
- The ECOS turnkey mining marketplace offers a single point of entry to buy ASIC miner units – both brand‑new devices and verified used ASIC miners – with confirmed specifications and documented operating history. Each bitcoin ASIC miner listing can include model, hashrate, energy efficiency, power consumption, uptime, and prior hosting conditions, helping users choose the right ASIC mining hardware for their budget and farm size.
- Instant deployment with hosting in the ECOS data center means that once you purchase an ASIC mining rig, it can be installed and launched automatically within the full‑cycle ECOS infrastructure. Logistics, rack installation, power connection, firmware setup, connectivity, and ongoing service for ASIC mining rigs are fully handled by the ECOS team.
- An integrated operational dashboard gives miners a centralized view of all their BTC mining equipment in one interface. Through this dashboard, users can see transparent fees and real‑time calculations, monitor performance metrics such as hashrate and uptime, manage payouts, and view billing and reporting related to each ASIC mining machine.
- Built‑in liquidity is a core feature of the ECOS marketplace: users can exit the market by listing their ASIC mining machine for resale directly on the same platform where they bought and hosted it. This turns traditionally illiquid bitcoin mining equipment into a more flexible asset class, closer to how traders work with financial instruments.
This is a place where equipment suppliers and users meet within a single ecosystem designed for efficient bitcoin mining equipment operations.
Sign-up bonus
Up to $250
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Antminer S21 XP
270 TH/s
270 TH/s30 daysFree
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Frequently Asked Questions
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Repeat purchases
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