The storage speed of this desktop computer is HDD, which is the most frequently found storage medium on personal computers of this age and type. 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 desktop computers currently available including the ProDesk 400 G2, or the ProDesk 490 G2 both from HP or the Acer Veriton 4630G ($518.99) which is cheaper.
If you are looking for a computer with a faster storage speed then you might want to consider the HP EliteDesk 800 G1 Mini (SSD) which is also cheaper.