The Lenovo YOGA 3 11.6" 2 in 1 has a better storage medium than most similar spec notebook PCs that are a comparable age to it. This portable PC has an SSD storage medium, whereas most comparable spec laptops that were released more than two years 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.
This laptop's storage medium (SSD) is in fact the best storage medium amongst all notebook PCs of this age and type.
The worst storage medium across similar types of laptop is HDD.
If you would prefer a portable PC with a better storage medium then you might want to look at the DELL XPS 13 (SSD).