The Asus Zenbook UX301LA has a better storage medium than most laptops of a comparable age and spec to it. This Asus laptop has an SSD storage medium, whereas most laptops of a comparable spec and age to it 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 actually the best storage medium amongst all similar spec portable PCs that were released around the same time as the Zenbook UX301LA.
An HDD storage medium is the worst storage medium across similar types of notebook PC.
If the storage medium of this medium processor core portable PC is too bad for you then you might want to look at the DELL XPS 13 (£1,199.99) (SSD).