The ATIV Book 9 Lite has an SSD storage media which is better than the HDD storage media found on most portable PCs of this age and spec. 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 in fact the best storage medium amongst all many processor cores laptops that are a comparable age to the ATIV Book 9 Lite.
An HDD storage media is the worst storage medium across similar types of portable PC.