Get the latest tech news
Fraudulent hard drive scandal deepens at Seagate: Clues point at Chinese Chia mining farms
Do not buy from unofficial resellers
However, the economic payoff for Chia mining declined over time, leading to many farms shutting down and flooding the market with second-hand drives. Over 200 reports of affected HDDs have surfaced worldwide, including cases in Europe, Australia, Thailand, and Japan. The fraudulent sales were first reported in January when it was discovered that supposedly new Seagate Exos datacenter-grade HDDs had been used for thousands of hours.
Or read this on r/technology