It is always good to backup important files to protect yourself from machine failures or viruses that can put your data at risk. It provides the best disk performance required for backing up data.
To get the device names, first run diskutil list which lists all drives and filesystems and then run fsck. The best external hard drive for Time Machine backups on Macs is Samsung T7 SSD Touch. If you are familiar with Terminal, you can also use fsck to check filesystems. If you are looking for a high storage capacity external hard drive whether, for work or personal use, there are a lot of options out there. Disk Utility from /Applications/Utilities works equally well for internal and for external disks (as long as they are attached via Firewire, USB or Thunderbolt). There we have the 5 best external hard drives, interchangeable for both Mac and PC. The G-Technology external hard drive also features a sleek, aluminium design that is lightweight and easy to transport. With 4TB of storage at an extremely reasonable price, USB C ready and both USB 3.0 and Thunderbolt 3 compatibility, this is a tough external hard drive to beat. I have two external hard drives attached to my 2012 Mac Mini running El Capitan. This external hard drive comes pre-formatted for use with Mac machines however, it can be easily reformatted for use with Windows PC’s too.
