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.
[email protected] [email protected] [email protected] [email protected]
Dear Customers,
Hello, May 1-5, 2026 (GMT+8) is China's May Day, and international logistics will be suspended. Our company will suspend shipments on the afternoon of April 30, 2026, and resume warehouse shipments on May 6 (GMT+8). We are deeply sorry for the inconvenience caused to you. Thank you for your trust 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
