The storage speed of this personal computer is HDD, which is typical of many computers of a similar 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.
There are a number of alternative HDD personal computers currently available that you might want to look at including cheaper computers such as the DELL OptiPlex 7020 SFF[plb_2457325_price].
If you would prefer a personal computer with a faster storage speed then you might want to look at the HP EliteDesk 800 G1[plb_2229911_price] (SSD) which is also cheaper.