![Dysprosium-containing hard disk drive. Computer hard drives are used to read and record data on magnetic materials. The magnetic storage media takes t Stock Photo - Alamy Dysprosium-containing hard disk drive. Computer hard drives are used to read and record data on magnetic materials. The magnetic storage media takes t Stock Photo - Alamy](https://c8.alamy.com/comp/2ACMWWD/dysprosium-containing-hard-disk-drive-computer-hard-drives-are-used-to-read-and-record-data-on-magnetic-materials-the-magnetic-storage-media-takes-t-2ACMWWD.jpg)
Dysprosium-containing hard disk drive. Computer hard drives are used to read and record data on magnetic materials. The magnetic storage media takes t Stock Photo - Alamy
How does storage drives (e.g. hard drive, flash drive etc) holds data without any power? Will they lose data if they are not connected to power for a long time? - Quora
![Premium PSD | A computer hard disk with magnetic material and carbon outer shell is photographed on a transparent background Premium PSD | A computer hard disk with magnetic material and carbon outer shell is photographed on a transparent background](https://img.freepik.com/premium-psd/computer-hard-disk-with-magnetic-material-carbon-outer-shell-is-photographed-transparent-background_176841-76742.jpg)