The Aspire S7-393 has a better storage medium than most comparable spec laptops that have been around for more than a year. This notebook PC has an SSD storage medium, whereas most medium processor core laptops that were released one year ago 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.
An SSD storage medium is in fact the best storage medium across all portable PCs that have been on the market for around the same time as the Aspire S7-393.
An HDD storage medium is the worst storage medium across similar types of portable PC.
There are a number of other notebook PCs that have an SSD storage media currently available which you might want to consider including because of it's better review score, the Satellite Z30[pl_2363540_price], or the Satellite Z30[pl_2363540_price] both from Toshiba.
If the storage medium of this portable PC is not good enough for you then you might want to consider the Lenovo T550[plb_2916140_price] (SSD), or the DELL Latitude 14 E7450[plb_2882103_price] (SSD).