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Antminer S21 Immersion (215Th) – Quiet & Efficient Oil-Cooled BTC Miner

The Bitmain Antminer S21 Immersion is a high-performance Bitcoin mining machine designed for advanced operations using oil immersion cooling. With an impressive hashrate of 215Th/s and a power consumption of 3440W, this model delivers exceptional efficiency in a compact, noise-reduced format.

Engineered for industrial-scale mining farms, the S21 Immersion operates quietly at just 50dB, making it ideal for immersion systems focused on energy optimization and hardware longevity. Released in December 2024, it supports Ethernet connectivity, works within a temperature range of 30°C to 55°C, and is optimized for 380–415V power systems.

 

Specification

Manufacturer Bitmain
Model Antminer S21 Immersion (215Th)
Also known as Bitcoin Miner S21 lmmersion
Release Dec 2024
Size 293 x 236 x 364mm
Weight 17150g
Noise level 50dB
Cooling Oil immersion
Power 3440W
Voltage 380-415V
Interface Ethernet
Temperature 30 – 55 °C
Humidity 10 – 90 %

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