Specifications

Bitmain Antminer S19j (90Th)

Antminer S19j 90 TH is the miner that everyone is talking about. The initial release date was February 2021, but the miner's release went to June 2021. The miner is ASIC supported and comes with an ASIC Hub (Non-SSH) recommended software.
Market Place and VIABTC under the SHA-256 algorithm are the most profitable coins. According to the manufacturer, the shipping date for this unit is October 2021.

Most Bitcoin miners want to get their hands on this profitable miner. Current market data shows that the miner could have a profit ratio of above 200 percent. There are no design changes with how it looks comparing it with other Bitmain miners.
We did notice that there are no naked wires with the unit, which is a much-needed improvement. It weighs 14500g, and the size is 195x290x400mm.
You can join leading mining pools that are already gearing up for the arrival of this unit. Get to buy it straight from the manufacturer or a few online stores.

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.