The NX500JK has a better storage medium than most portable PCs of a comparable type and age to it. This Asus laptop has an SSD storage medium, whereas most many processor core laptops that came out 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.
An SSD storage medium is actually the best storage medium amongst all many processor core laptops that have been around for around the same time as the NX500JK.
An HDD storage medium is the worst storage medium amongst similar types of portable PC.