The S12T 3M has an SSD storage medium which is better than most many processor core laptops that came out more than two years ago. Most many processor core laptops that were released more than two years ago have an HDD storage medium. Solid State Drives (SSD) store data in semiconductors on a circuit board rather than using magnetic or optical media. Solid State Drives have no moving parts which makes them very fast and reliable.
This portable PC's storage medium (SSD) is actually the best storage medium across all comparable spec laptops that are a similar age to the S12T 3M.
Across comparable types of portable PC the worst storage medium is HDD.