The Lenovo 11e has an SSD storage medium which is better than the HDD storage medium found on most portable PCs that were launched more than two years ago. 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 amongst all comparable spec laptops that were launched more than two years ago.
An HDD storage medium is the worst storage medium across comparable types of notebook PC.