The Acer TravelMate TMP6 has an SSD storage medium which is better than most medium processor core notebook PCs that have been available for around the same time as it. Most similar spec laptops that have been around for around the same time as 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.
This portable PC's storage medium (SSD) is in fact the best storage medium across all laptops that came out around the same time as the TravelMate TMP6.
The worst storage medium across comparable types of portable PC is HDD.
Laptops with a better storage medium that might be worth looking at include the T420s[pl_48433_price] (SSD), or the X1 Carbon[pl_2432329_price] (SSD) both from Lenovo.