Bitmain Antminer S21 – 200 TH/s SHA-256 ASIC Miner for Bitcoin & BCH (Feb 2024)

The Antminer S21, released by Bitmain in February 2024, is a next-generation SHA-256 ASIC miner engineered for efficient mining of Bitcoin (BTC), Bitcoin Cash (BCH), and Bitcoin SV (BSV). It delivers a powerful 200 TH/s hashrate while consuming 3550W of power, achieving energy efficiency of 17.5 J/TH. With 2 high-performance cooling fans, a compact design, and industrial-grade reliability, the S21 is ideal for miners looking to scale up operations with stable, long-term performance.

Antminer S21 (200TH) Specifications

Category	Details
Manufacturer	Bitmain
Model	Antminer S21
Release Date	February 2024
Algorithm	SHA-256
Supported Coins	BTC, BCH, BSV
Hashrate	200 TH/s
Power Consumption	3550W
Power Efficiency	17.5 J/TH
Cooling System	2 Fans
Noise Level	75 dB
Network Interface	RJ45 Ethernet 10/100M

Power Supply

Specification	Details
Input Voltage Range	220~277V AC
Input Frequency	50~60 Hz
Input Current	20 A
Recommended Output Power	4000W

Size and Weight

Specification	Details
Dimensions (w/o package)	400 × 195 × 290 mm
Dimensions (with package)	570 × 316 × 430 mm
Net Weight	15.4 kg
Gross Weight	17.2 kg

Environmental Requirements

Specification	Details
Operating Temperature	0–45 °C
Storage Temperature	-20–70 °C
Operating Humidity (non-condensing)	10–90% RH
Operating Altitude	≤2000 m

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