The storage speed of this PC is HDD, which is typical of many desktop computers of a comparable spec and age to it. A Hard Disk Drive (HDD) is the traditional storage method for computers. A HDD stores the information on magnetic disks. HDD drives are cheap, but they are slower than Flash and SSD bases storage systems.
It may also be worth considering one of the other HDD computers currently available including because of it's better review score, the DELL PowerEdge T20[plb_2747980_price].