Product Details




Bitmain Antminer S21 Imm
$1,660.00
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Batch:Est. Ex-factory Date: 2026-03-28
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Payment Method
Pay Crypto with Coinpal
Direct Bank Transfer
Bitmain Antminer S21 Imm
Profitability
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Hashrate(Th/s):
Power(W):
Miner Price:
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Calculation Results
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Payback Period:
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SHA-256d
Minable Coins
BTC
BCHDescription
Bitmain S21 Imm - 215T is a factory-direct high-performance SHA-256d algorithm miner engineered for efficient BTC mining. It is available at competitive discount price with exclusive limited-time offer for bulk order and wholesale price clients, delivering unbeatable value for both personal and commercial mining needs.
Boasting a maximum hashrate of 215.00Th/s and power consumption of 3440W, this high-hashrate low-power miner achieves an industry-leading energy efficiency ratio of highly competitive energy efficiency, slashing your low electricity cost while maximizing mining profits. Designed for optimal performance and stability, the BTC mining device fits perfectly into Professional mining farm environments applications, catering to individual home miners, small-scale mining enthusiasts and institutional mining operators alike. Equipped with standard power cord and global voltage support, it supports Ethernet for easy setup miner operation, and comes packed with High-performance cooling noise like quiet mining device design for a seamless user experience.
Backed by a 180-day warranty and reliable after-sales support, this energy-efficient crypto miner ensures long-term, hassle-free operation. Contact us for custom bulk quotes - whether you're buying a single unit for home use or placing a large order for industrial operations, the Bitmain S21 Imm - 215T is your top choice for profitable crypto mining.
Boasting a maximum hashrate of 215.00Th/s and power consumption of 3440W, this high-hashrate low-power miner achieves an industry-leading energy efficiency ratio of highly competitive energy efficiency, slashing your low electricity cost while maximizing mining profits. Designed for optimal performance and stability, the BTC mining device fits perfectly into Professional mining farm environments applications, catering to individual home miners, small-scale mining enthusiasts and institutional mining operators alike. Equipped with standard power cord and global voltage support, it supports Ethernet for easy setup miner operation, and comes packed with High-performance cooling noise like quiet mining device design for a seamless user experience.
Backed by a 180-day warranty and reliable after-sales support, this energy-efficient crypto miner ensures long-term, hassle-free operation. Contact us for custom bulk quotes - whether you're buying a single unit for home use or placing a large order for industrial operations, the Bitmain S21 Imm - 215T is your top choice for profitable crypto mining.
Specifications
Also known asS21 Imm - 215T
BrandBitmain
ConditionNew
Warranty180Days
Power Consumption3440 W
Input Voltage380~415
Network Connection ModeEthernet
Operation Temperature-20~70
Operation Humidity10~90%
Net Weight17.15kg
Gross Weight20.45kg
Net Dimensions293*236*364(2-2)mm
Package Dimensions600*390*450mm
PSU includedYes
Power Cord includedNo
Free ShippingNo
1.
| Product Glance | Value |
| Model | S21 Imm. |
| Crypto algorithm/coins | SHA256 | BTC/BCH/BSV |
| Working mode(1-1) | NEM/HEM |
| Typical hashrate, TH/s(1-2) | 227T / 239T |
| Power on wall @30℃(1-3) , Watt(1-2) | 227T -3623W239T -3824W |
| Power efficiency on wall @30℃, J/TH(1-2) | 16 |
| 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 | 600*390*450 |
| Net weight, kg | 17.15 |
| Gross weight, kg | 20.45 |
| Environment requirements | |
| Inlet oil temperature, °C | 30~55 |
| Oil flow, m3/h | 1 |
| Storage temperature,°C | -20~70 |



Power Cord Standard
Common plug standards and their compatible regions.
US Standard
Type A/B
UK Standard
Type G
EU Standard
Type C/E/F
CN Standard
Type I








