The HP Pavilion x360 11-n010dx has an HDD storage medium which is better than most laptops of this age and type. Most laptops of a similar age and type to it have an SSD storage medium. 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 medium is actually the worst storage medium amongst all notebook PCs of a comparable age and spec to the Pavilion x360 11-n010dx.
The best storage medium across similar types of portable PC is SSD.