The Pavilion x360 has an HDD storage media which is better than most notebook PCs of a similar age and type to it. Most 2 in 1 laptops that are a similar age to it have an SSD storage media. 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.
An HDD storage media is in fact the worst storage medium amongst all similar spec notebook PCs that have been available for more than two years.
The best storage medium amongst comparable types of notebook PC is SSD.
Laptops with a better storage medium that might be worth considering include the Toshiba U920t[plb_1453648_price] (SSD and higher rated).