This box-type original hard disk is IBM's own, which is much better than the general "hard disk+box" and has a warranty. Travelstar is a notebook hard disk brand used by IBM many years ago. Originally made by Hitachi, I don't know after mass production. ...

It is the abbreviation of "TRADE MARK" in English.

The "TM" symbol indicates two points:

1, and its marked words or graphics are used as trademarks, not commodity names or decorations.

2. It is not a registered trademark (R), but a commodity that has passed the examination of the Trademark Office and is still in the announcement period. (The announcement period is three months. If no enterprise raises an objection within three months, the State Trademark Office will issue a formal trademark certificate. With the certificate, you can use the R registered trademark. It can also convey the message that as the creator of a trademark, the user has the priority right to the logo and does not want it to enter the public domain.