The ZBOX PI320 pico has an SSD storage medium which is faster than most PCs that are a similar age to it. Most medium processor core personal computers that are a comparable age to it have an HDD storage medium. Solid State Drives (SSD) store information in transistors on a circuit board rather than on optical or magnetic media. This has the advantage of being much faster than a traditional HDD drive.
This personal computer's storage speed (SSD) is actually the best storage speed across all desktop computers of this age and type.
Across similar types of personal computer the worst storage speed is HDD.
Other SSD personal computers currently available that you might also want to consider include the DELL Precision T1700 SFF which has better reviews.