SSD

See https://www.extremetech.com/extreme/210492-extremetech-explains-how-do-ssds-work. See https://ftp.automationdirect.com/pub/Product%20Reliability%20and%20MTBF.pdf. See https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwj0k6ncxZDtAhWRT30KHVaMBv0QFjALegQIAxAC&url=https%3A%2F%2Flink.springer.com%2Fcontent%2Fpdf%2Fbbm%253A978-3-540-34582-4%252F1.pdf&usg=AOvVaw3QMAObBDfGRel8FcMqGw9-.