The Surface 3 has an SSD storage medium which is better than the HDD storage medium found on most many processor core portable PCs that have been on the market for around the same time as 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.
This notebook PC's storage medium (SSD) is actually the best storage medium amongst all comparable spec notebook PCs that were released more than two years ago.
An HDD storage medium is the worst storage medium amongst similar types of notebook PC.
Laptops with a better storage medium that might be worth considering include the Asus U500VZ (SSD) which also has a higher rating.