Immersion Cooled 2024

Bitmain Antminer S21 Imm (215Th)

Mine Bitcoin with 215 TH/s hashrate and 16 J/TH energy efficiency. Professional-grade SHA-256 ASIC mining from Bitmain.

215 TH/s
Hashrate
3440W
Power
16 J/TH
Efficiency
Order Antminer S21 Imm (215Th) View Specifications
215 TH/s
Antminer S21 Imm (215Th) Active
Why Choose Antminer S21 Imm

Built for Professional Bitcoin Mining

Experience reliable performance with the Bitmain Antminer S21 Imm, engineered for Bitcoin mining.

⚡

215 TH/s Hashrate

Deliver reliable mining performance with Bitmain's SHA-256 ASIC technology, optimized for Bitcoin mining.

🔋

Energy Efficiency

An efficiency rating of 16 J/TH means lower electricity costs and stronger margins for your mining operation.

🧊

Immersion-Cooling Technology

Full immersion in dielectric coolant keeps every chip on your Antminer S21 Imm at a stable, optimal temperature, maximizing uptime and hardware lifespan.

🛡️

12-Month Warranty

Full manufacturer warranty covering hardware issues and defects. Mine with confidence knowing you're protected by Bitmain's industry-leading support.

🔧

Easy Deployment

Standard RJ45 Ethernet connectivity and pool-compatible firmware make the Antminer S21 Imm simple to rack, configure, and put to work.

📊

Enterprise-Grade Performance

Built for 24/7 operation in demanding environments with proven reliability, minimal downtime, and consistent hashrate delivery.

ManufacturerBitmain
ModelAntminer S21 Imm (215Th)
Release Date2024
AlgorithmSHA-256
Hashrate215 TH/s (±5%)
Power Consumption3440W (±10%)
Energy Efficiency16 J/TH
Cooling TypeImmersion-Cooled
Noise LevelN/A (Immersion-Cooled)
Weight17.15 kg
DimensionsN/A
Operating TemperatureN/A
Humidity RangeN/A
Voltage380-415V
Technical Specifications

Antminer S21 Imm (215Th) Full Specs

The Bitmain Antminer S21 Imm is a SHA-256 ASIC miner designed for Bitcoin mining, offering 215 TH/s hashrate at 16 J/TH efficiency with immersion-cooled thermal management.

215 TH/s
Hashrate
3440W
Power Draw
16
J/TH Efficiency
17.15 kg
Unit Weight
Mining Revenue

Antminer S21 Imm (215Th) Profitability

Estimated mining revenue based on current network difficulty and coin prices.

Live Data from ASICMINERSTATS
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* Revenue estimates based on Bitcoin (BTC), Bitcoin Cash (BCH), Bitcoin SV (BSV) mining. Calculations use current network difficulty and market prices. Actual results may vary based on pool fees, network conditions, electricity costs, and market fluctuations.
Data fromASICMINERSTATS
Model Comparison

Antminer S21 Series

Compare all Antminer S21 Series models available.

ModelHashratePowerEfficiency
Antminer S21 (200Th)200 TH/s3500W17.5 J/TH
Antminer S21 Imm (215Th)215 TH/s3440W16 J/TH
Antminer S21+ (216Th)216 TH/s3564W16.5 J/TH
Antminer S21 Pro (234Th)234 TH/s3510W15 J/TH
Antminer S21 XP (270Th)270 TH/s3645W13.5 J/TH
Antminer S21e Hyd (288Th)288 TH/s4896W17 J/TH
Antminer S21 XP Imm (300Th)300 TH/s4050W13.5 J/TH
Antminer S21e Hyd. Hosting Service (310Th)310 TH/s5270W17 J/TH
Antminer S21 Hyd (319Th)319 TH/s5104W16 J/TH
Antminer S21+ Hyd (358Th)358 TH/s5370W15 J/TH
Antminer S21e XP Hyd (430Th)430 TH/s5590W13 J/TH
Antminer S21 XP Hyd (473Th)473 TH/s5676W12 J/TH
Antminer S21j XP Hyd (495Th)495 TH/s5940W12 J/TH
Antminer S21 XP+ Hyd (500Th) Best Efficiency500 TH/s5500W11 J/TH
Antminer S21e XP Hyd 3U (860Th) Highest Hashrate860 TH/s11180W13 J/TH

Ready to Start Mining?

Order your Bitmain Antminer S21 Imm today and put 215 TH/s of SHA-256 hashpower to work. Limited stock available.

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Common Questions

Antminer S21 Imm FAQ

Everything you need to know about the Bitmain Antminer S21 Imm SHA-256 miner.

The Bitmain Antminer S21 Imm delivers a hashrate of 215 TH/s (±5%) using the SHA-256 mining algorithm, making it a strong choice for mining Bitcoin (BTC), Bitcoin Cash (BCH), Bitcoin SV (BSV).
The Antminer S21 Imm consumes approximately 3440W (±10%) of power, resulting in an energy efficiency of 16 J/TH.
The Antminer S21 Imm uses the SHA-256 algorithm, allowing you to mine Bitcoin (BTC), Bitcoin Cash (BCH), Bitcoin SV (BSV).
The Antminer S21 Imm uses immersion cooled technology. Full immersion in dielectric fluid keeps every chip at a stable, optimal temperature for maximum uptime.
The Bitmain Antminer S21 Imm comes with a standard 12-month manufacturer warranty from the date of production, covering hardware issues and manufacturing defects.
Profitability depends on electricity costs, network difficulty, and coin prices. Check the live profitability calculator above for real-time revenue estimates based on current market conditions and your specific electricity costs.