The Aspire V3-371 has a better storage medium than most portable PCs that were released around the same time as it. This notebook PC has an SSD storage medium, whereas most portable PCs that have been available for a comparable time to 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 actually the best storage medium across all notebook PCs of this spec and age.
The worst storage medium across comparable types of portable PC is HDD.