The storage speed of this personal computer is HDD, which is typical of many few processor core computers that are a similar 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.
If the storage speed of this Acer personal computer is too slow for you then you might want to consider the Shuttle DSA2LS (Flash).