That is what I like to refer to as a "warranty win"
MANY years ago, I had purchased a new Seagate 4.3GB drive. Somewhere close to the end of the 3 year warranty, the drive failed.
They had a program where you give the serial number, and they sent you the replacement drive first, along with packaging to return the defective drive.
When I received the new drive, I actually panicked slightly as they sent me a 20GB drive. I called them, concerned that maybe I'd mistyped the S/N and they were expecting a 20GB drive back. They told me no, it was fine, that the 20GB was simply the smallest drive they had available.
Still have that drive - admittedly, sitting in a closet these days.