Antminer S21 188TH/s - Efficient Bitcoin ASIC Miner (id1561)

Seller: ID2

Antminer S21 188TH/s
Economic efficiency166.73
Operation Time42.7
Energy efficiency69.68
Ecos Score
105.26
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
  • 188 TH/s
  • 17.5 J/TH
Hosting Paid Till 2026-08-14Operating Days 707
$ 2526.00 ASIC Price
Online
Antminer S21 188TH/s
Monthly Hosting Fee
$ 205
Hosting Paid Till 2026-08-14Operating Days 707

Benefits of buying a hosted ASIC

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

Up to $250

TRY BEFORE BUY

Antminer S21 XP

270 TH/s

270 TH/s30 daysFree

After sign up we will open the activation page automatically

Go to registration

Bitcoin Mining Profitability Calculator

Antminer S21 188TH/s

Calculate your potential mining reward based on Bitcoin price

$

Swipe left and right to change the price of BTC

$100K$250K

Daily Mining

$9.02

0.00007520 BTC

Monthly Mining

$275.23

0.00229360 BTC

Yearly Mining

$3,302.78

0.02752320 BTC

Only 24 hours until your first BTC rewards

banner
banner
Pick Your Miner

Buy with one click — choose the best fit for you from ECOS Marketplace.

banner
Miner Switches to You

Once the seller gets your payment, the ASIC immediately is assigned to your ECOS account automatically.

banner
Start Mining BTC

Payouts begin 24 hours after activation — straight to your ECOS wallet.

Description

Antminer S21 188 TH/s is a modern ASIC miner designed for Bitcoin mining using the SHA-256 algorithm. This model is built for professional and semi-industrial mining operations and belongs to Bitmain's new generation of mining hardware. The Bitmain Antminer S21 188 TH/s is engineered to deliver stable performance under high computational loads while meeting current energy efficiency requirements as network difficulty continues to grow.
The Antminer S21 188 TH/s delivers a hashrate of 188 TH/s, making it a well-balanced solution in terms of performance and power consumption. Thanks to its optimized architecture, the antminer s21 188 th s enables efficient electricity usage, which has a direct positive impact on overall Bitcoin mining economics. For miners looking for predictable performance, the antminer s21 188 remains a practical choice within the S21 series.

Specifications
  • Model: Antminer S21 188 TH/s
  • Hashrate: 188 TH/s
  • Power Consumption: ~3500 W
  • Energy Efficiency: ~18.5 J/TH
  • Algorithm: SHA-256

When selecting the Bitmain Antminer S21 188 TH/s, it is important to consider not only the technical specifications but also hosting conditions, electricity costs, and infrastructure quality. These factors determine real-world operating efficiency. With professional hosting solutions, the bitmain antminer s21 188 th s can be deployed under optimal conditions, ensuring stable and efficient Bitcoin mining performance.

Recent deals

  • Antminer S21 XP 270TH/s

    $2050

    2026-07-10 13:18 Seller: ECOS User

  • Antminer S21 XP 270TH/s

    $2050

    2026-07-10 13:10 Seller: ECOS User

  • Antminer S21 Pro 234TH/s

    $1640

    2026-07-08 17:50 Seller: ECOS User

  • Antminer S19K Pro 120TH/s

    $10001

    2026-07-07 08:51 Seller: ECOS User

  • Antminer S19K Pro 120TH/s

    $5007

    2026-07-02 14:29 Seller: ECOS User

  • Antminer S19K Pro 115TH/s

    $71.75

    2026-07-02 14:23 Seller: ECOS User

  • Antminer S21 Pro 234TH/s

    $800

    2026-06-29 17:17 Seller: ECOS User

  • Antminer S19K Pro 120TH/s

    $180

    2026-06-28 03:02 Seller: ECOS User

  • Antminer S19K Pro 120TH/s

    $7777

    2026-06-26 13:17 Seller: ECOS User

  • Antminer S19K Pro 120TH/s

    $5005

    2026-06-25 14:19 Seller: ECOS User

Frequently Asked Questions

Everything you need to know about ASIC mining and our marketplace

Still have questions?

Can’t find the answer you’re looking for? Please chat to our friendly team.

Have traffic?

Earn with the best product in cloud mining

Become a partner
15%

First purchase

On every new user’s first purchase. No limit on the purchase amount.

5%

Repeat purchases

Earn for life from every repeat purchase. When the user buys again, you earn again.