The storage speed of this PC is HDD, which is the most frequently found storage medium on PCs of this age and spec. 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.
If the storage speed of this few processor core PC is not fast enough for you then you might want to consider the Shuttle DSA2LS[plb_2420911_price] (Flash).