The Lenovo Y70 has an SSD storage medium which is better than the HDD storage medium found on most notebook PCs of a similar spec and age to it. 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 actually the best storage medium amongst all laptops that have been available for more than two years.
Amongst similar types of notebook PC the worst storage medium is HDD.
If the storage medium of this portable PC is too bad for you then you might want to look at the Acer Aspire V3-371[plb_2964527_price] (ssd).