According to official news, Bitmain announced the launch of a high-performance Bitcoin ASIC air-cooled miner - Antminer T21, with adjustable high and low performance modes. The Antminer T21 has hash rates ranging from 190 TH/S to 233 TH/S. In NEM mode, the hash rate can reach 190 TH/S and the power efficiency is 19 J/T. In HEM mode, the hash rate can reach 233 TH/S and the power efficiency is 22 J/T. The supported ambient temperature can reach 45 degrees Celsius, and can be used for mining in high-heat desert areas.
faye@zeusbtc.com repair@zeusbtc.com cooperate@zeusbtc.com service@zeusbtc.com
Dear Customers,
Hello, April 4, 5 and 6, 2025 (GMT+8) are the traditional Chinese festivals - Qingming Festival. Our company will suspend shipments during these 3 days and resume shipments on April 7 (GMT+8). We are deeply sorry for the inconvenience. Thank you for your understanding and support.
Best wishes,
ZEUS MINING CO., LTD
China Mainland Hong Kong 
Business Hours: (GMT+8) 08:30-20:00 Mon to Sat 
Company Phone: +86-023-72227777
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