The price is 390,000 yen, old hard disk was so high

It is a picture of advertisement of old hard disk (HDD).

A price of $ 3,398 (about 390,000 yen) is posted next to the catch phrase "It's HDD you waited for!" It is a very expensive HDD, but what kind of HDD is it?

Details are as follows.
10 MB Hard Drive

"MORE STORAGE" "MORE SPEED" "MORE VALUE" "MORE SUPPORT" It is written in bold, but the capacity is 10MB. now1 TB (1 million MB) HDD is around 30,000 yenI am amazed at the progress of technology.