Whatsminer m21s 56t 3360w bitcoin rig complete mineria used on sale Model: SM-M21s 56t Support currency: BTC, BCH, BSV
Algorithm: SHA-256 Computing power: 56 Thash Power consumption: 3360 W Energy efficiency ratio: 60 W/T
About us
Established in 2017, Shenzhen HundredCoin Technology Co., Ltd. specializes in Antminer, Innosilicon, Whatsminer, Goldshell miner, Strong U, and other brand miner selling.We have exported to more than 120 countries in the world, and more than 1,000,000 miners have been shipped abroad. We also have 3 warehouses in Sichuan, Xinjiang and Guangdong Province for miners testing and stock. We have a lot of experience in customs clearance experience, after-sales capabilities, fast delivery and good service.
How about the Warranty?
A.180 days warranty for new machine.If it is within the warranty period, the original factory of the miners will be responsible for it. If it is out of warranty, we will provide paid maintenance service
B.For used miners,we will send testing video with SN code before shipment to make sure every miner is in a good state. And we will provide paid maintenance service after that.
