The best replacement for disks is discs.

The best alternatives to disks are rated as following:
★★★★★  discs
★★  basic disks
★  dynamic disks
★  tapes
★  basic
★  desktop hard disks
  dvd disks
  sata disks
  hard disks
  15k
  herniated disks
  floppy disks
  cd rw disks

Your alternative for disks is not listed? Suggest!
Speaking about disks, one probably shouldn't forget about dd.

Other search terms related to disks and their ratings are:
★★★★★ dd
★ rebooting
You have in mind a companion for disks and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of disks in all years. Click on graph for more.
disks
discs
basic disks