Currently Empty: US$0.00
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Profitability
1.56/day
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ROI
107.2 Mon
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Hashrate
239.00 TH/s
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Power
5569W
Bitmain Antminer S21 Imm Bitcoin Miner 239TH/S | BT-MINERS
US$5,019.00
- Technical Support: We will reply to your emails and instant messages within 24h;
- Safe and fast shipping.
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Description
Antminer S21 Imm 239T Description
Model Antminer S21 Imm(239Th) from Bitmain mining SHA-256 algorithm with a maximum hashrate of 239Th/s for a power consumption of 5569W.
NEM: 239T, 3,824W, 16J/
HEM: 301T, 5,569W, 18.5J/
For Brand NEW Miner, Bitmain Provides 6 months of factory warranty.
Specifications
| Product glance | Value |
|
| Model | S21 lmm. | |
| Version | 10 | |
| Crypto algorithm/coins | SHA256| BTC/BCH/BSV | |
| Workign mode(1-1) | NEM | HEM |
| Typical Hashrate, TH/s(1-2) | 239 | 301 |
| Power on wall @30°C(1-3),Watt(1-2) | 3824 | 5569 |
| Power efficiency on wall @30°C, J/TH(1-2) | 16.0 | 18.5 |
| Detailed Characteristics | Value |
| Power Supply | |
| Phase | 3 |
| Input voltage range, Volt(2-1) | 380~415 |
| Input frequency range, Hz | 50~60 |
| Input max current, Amp | 12 |
| Hardware Configuration | |
| Networking connection mode | RJ45 Ethernet 10/100M |
| Server Size (Length*Width*Height, w/o package),mm | 293*236*364(2-2) |
| Server Size (Length*Width*Height, with package),mm | 570*316*430 |
| Net weight, kg | 17.15 |
| Gross weight, kg | 20.45 |
| Environment Requirements | |
| Inlet oil temperature, °C | 30~55 |
| Coolant flow, m3/h | 1 |
| Storage temperature, °C | -20~70 |
| Operation altitude, m (2-3) | ≤2000 |
Reviews
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Algo
Hashrate
Power
Minable coins with
Minable pools for
Mining Pool Deals
For every month that you mine from one of these pools, you will receive a BT-Miners store credit worth 1% of your mining profits.
| Pools | Mining Fees | Profits | |
 |
FPPS: 4%PPLNS: 0% | 0.4% | |
 |
PPS+: 4%PPLNS: 2% | 0.4% | |
 |
2% | 0.3% |
| Pools | Mining Fees | Profits | |
|
PPLNS: 2% | 0.2% |
| Pools | Mining Fees | Profits | |
|
PPS: 3% | 0.3% | |
|
PPLNS: 2% | 0.2% | |
|
2% | 0.3% |
| Pools | Mining Fees | Profits | |
  |
PPLNS: 0.75% | 0.075% | |
|
PPS+: 4%PPLNS: 2% | 0.4% | |
|
2% | 0.3% |
| Pools | Mining Fees | Profits | |
|
PPLNS: 0.9% | 0.09% | |
|
PPLNS: 1% | 0.1% | |
|
2% | 0.3% | |
 |
PROP: 1% | 0.1% |
| Pools | Mining Fees | Profits | |
|
PPS: 3% | 0.3% | |
|
PPS+: 4%PPLNS: 2% | 0.4% |
| Pools | Mining Fees | Profits | |
|
PPLNS: 2% | 0.2% |
| Pools | Mining Fees | Profits | |
|
PPLNS: 0.8% | 0.08% | |
|
PROP: 1% | 0.1% |
Miner Profitability History
Detailed Specifications of the Antminer S21 Imm
The Antminer S21 Imm is the latest innovation in cryptocurrency mining, designed to deliver exceptional performance and efficiency. Featuring advanced ASIC technology, it offers significant improvements in hash rate and energy consumption compared to its predecessors. With its robust build and optimized cooling system, the S21 Imm aims to maximize uptime and durability, making it an ultimate choice for both individual miners and large-scale operations. As the cryptocurrency landscape evolves, this model positions itself as a key player in the quest for higher profitability and sustainability in mining activities.Bitmain’s Legacy and the Antminer Series
Bitmain Technologies Ltd., established in 2013, rapidly emerged as a leading figure in the development of cryptocurrency mining technology. At a time when the Bitcoin mining landscape was marked by a diverse array of hardware — from GPUs (Graphics Processing Units) to FPGAs (Field-Programmable Gate Arrays) — Bitmain introduced a paradigm shift with its ASIC (Application-Specific Integrated Circuit) technology. This move heralded a new era in Bitcoin mining, transitioning it from a realm accessible to enthusiasts with consumer-grade hardware to a highly specialized and competitive industry. Bitmain’s ASICs, designed exclusively for cryptocurrency mining, significantly outperformed existing hardware in both efficiency and hash rate, propelling the company to the forefront of mining technology innovation.
Comparison with S21+ Hyd
The Antminer S21 XP Imm and S21+ Hyd are both advanced ASIC miners designed for optimal cryptocurrency mining performance, but they cater to slightly different needs. The S21 XP Imm features a higher hashing power and efficiency, making it ideal for those looking to maximize their output with lower energy consumption. In contrast, the S21+ Hyd, while still powerful, offers innovative water-cooling technology that enhances durability and temperature management, making it suitable for extended operations in more challenging environments. Ultimately, the choice between the two models depends on the specific requirements of the mining setup, including power availability, cooling solutions, and desired performance metrics.- Processing&Shipping Time
- Payment Policies
- Taxes and Custom Duties
All shipments will go out by UPS or DHL.
We offer DDP for deliveries to US.
Please contact us if any documentations are requested by customs.
Our product are excluded of all value added taxes and customs duties sold by BT-Miners. You will be solely responsible for paying any outstanding taxes and duties as per your country’s law and customs. Client will be responsible for additional shipping charges if items are returned to sender.
Contact us at store@bt-miners.com or 813-820-0668 if you have any questions.
All products on our website are priced in US Dollars.
Payment made by credit or debit card may subject to card processing fees.
We can accept payment by credit/ debit card, wire transfer, ACH transfer (through our online portal), and crypto.
*Machine prices will fluctuate according to the current market price.*
All orders will be dispatch in the order which they were received. Pre-orders typically ships at the end of the month of the batch but may delay if manufacturer delays release/shipment. In stock machines ship in 3-7 business days from our warehouse in China. Bulk orders may release a few days later.
We always try to ship as soon as we can via USP or DHL after full payment has been received and verified.
International shipping usually takes about 5-8 business days. We will cover duty tax for US customers. Deliveries to other countries may require customers to clear customs and pay duty tax. Please notify us right away if documents are requested by customs as improper filing may result in higher fees and/or delays.
All sales are final and non-refundable on any terms.
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FAQs
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What Is The Lifespan Of This Mining Machine?
The lifespan of mining hardware is influenced by usage intensity, environmental factors like temperature, humidity, and dust. Proper maintenance and optimal conditions can significantly extend its longevity.
-
How Does Electricity Cost Impact Profitability?
Electricity costs play a crucial role in mining profitability, as high rates can quickly offset profit. Therefore, it is vital to access local electricity costs to determine if mining is viable. With high electricity costs and high liquidity of digital assets, investing in an energy-efficient miner becomes even more important.
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