The Acer Aspire V Nitro Black Edition has an SSD storage medium which is better than the HDD storage medium found on most laptops that are a comparable age to it. In addition, this portable PC have an hdd and ssd 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 in fact the best storage medium amongst all laptops that are a similar age to the Aspire V Nitro Black Edition.
An HDD storage medium is the worst storage medium across comparable types of portable PC.