This portable PC has an SSD storage medium, which is the most commonly found storage medium on Chromebooks that are a similar 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.
We think you might also be interested in some of the alternative laptops that have an SSD storage media currently available including the Acer Chromebook C740 which has a better Rating.
Notebook PCs with a better storage medium that might also be worth considering include the Acer Chromebook C910 (£294.59) (SSD).