The VAIO Fit 14A has a better storage medium than most notebook PCs of this age and spec. This portable PC has an HDD storage medium, whereas most 2 in 1 laptops that came out around the same time as 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 that have been on the market for around the same time as the VAIO Fit 14A.
An SSD storage medium is the best storage medium amongst similar types of notebook PC.