The Lenovo Chromebox has a faster storage speed than most comparable spec desktop computers that have been on the market for a similar time to it. This computer has an SSD storage medium, whereas most few processor core PCs that have been on the market for around the same time as 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 desktop computer's storage speed (SSD) is in fact the best storage speed across all few processor core PCs that are a comparable age to the Chromebox.
Across comparable types of desktop computer the worst storage speed is HDD.