The Mac Mini Late 2012 has a faster storage speed than most computers of this age and type. This Apple desktop computer has an SSD storage media, whereas most medium processor cores computers that were released around the same time as it have an HDD storage media. Solid State Drives (SSD) store information in transistors on a circuit board rather than on optical or magnetic media. This has the advantage of being much faster than a traditional HDD drive.
This computer's storage speed (SSD) is actually the best storage speed amongst all medium processor cores computers that are a comparable age to the Mac Mini Late 2012.
An HDD storage media is the worst storage speed amongst similar types of computer.