The ATIV Book 9 has a better storage medium than most medium processor core laptops that were launched more than a year ago. This portable PC has an SSD storage medium, whereas most medium processor core laptops that have been available for around the same time as it 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 in fact the best storage medium across all medium processor core laptops that were launched around the same time as the ATIV Book 9.
Across similar types of portable PC the worst storage medium is HDD.
If the storage medium of this portable PC is not good enough for you then you might also want to consider the DELL Latitude 12 E7250 (SSD).