Bitmain Antminer S21 Immersion – 301 TH/s SHA-256 Oil-Cooled Miner for Bitcoin (Dec 2024)
The Antminer S21 Immersion, released by Bitmain in December 2024, is a next-generation SHA-256 ASIC miner designed specifically for immersion cooling systems. Delivering a powerful 301 TH/s hashrate with a power consumption of 5569W, this model achieves a power efficiency of 18.50 J/TH. Thanks to its oil cooling technology, it operates quietly at just 50 dB, offering maximum stability, reduced heat stress, and extended hardware lifespan. Compatible with Bitcoin (BTC), Bitcoin Cash (BCH), Namecoin (NMC), and other SHA-256 cryptocurrencies, the S21 Immersion is ideal for industrial-scale mining farms looking for efficiency, durability, and long-term profitability.
Bitmain Antminer S21 Immersion Specifications
|
Category |
Details |
|---|---|
|
Manufacturer |
Bitmain |
|
Model |
Antminer S21 Immersion |
|
Release Date |
December 2024 |
|
Algorithm |
SHA-256 |
|
Supported Coins |
BTC, BCH, BSV, NMC, PPC, SYS, ELA, CHI |
|
Hashrate |
301 TH/s |
|
Power Consumption |
5569W |
|
Power Efficiency |
18.502 J/TH |
|
Cooling System |
Oil Cooling (Immersion) |
|
Noise Level |
50 dB |
|
Network Interface |
RJ45 Ethernet 10/100M |
Power Supply
|
Specification |
Details |
|---|---|
|
Input Voltage Range |
380~415V AC |
|
Input Frequency |
40~50 Hz |
|
Input Current |
20 A |
Size and Weight
|
Specification |
Details |
|---|---|
|
Dimensions (w/o package) |
293 × 236 × 364 mm |
|
Dimensions (with package) |
373 × 316 × 444 mm |
|
Net Weight |
17.15 kg |
|
Gross Weight |
18.8 kg |
Environmental Requirements
|
Specification |
Details |
|---|---|
|
Operating Temperature |
30 – 55 °C |
|
Storage Temperature |
-10 – 60 °C |
|
Operating Humidity (non-condensing) |
10 – 90% RH |
|
Operating Altitude |
≤2000 m |
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