The Pavilion x360 has an HDD storage medium which is better than the SSD storage medium found on most portable PCs of this age and spec. HDD is a traditional storage drive which stores the information on magnetic disks. HDD drives are slower than other forms of storage such as solid state drives (SSD) and flash drives.
This laptop's storage medium (HDD) is in fact the worst storage medium amongst all notebook PCs of this spec and age.
An SSD storage medium is the best storage medium across similar types of laptop.
If the storage medium of this notebook PC is not good enough for you then you might want to look at the HP Pro x2 612 (SSD and higher rated).