Drive - Solid State Drive (SSD)

> I/O - (Input/Output|Read/Write) - Data Access > Drive (Secondary Storage)

2 - IOPS

While traditional HDDs have about the same IOPS for read and write operations, most NAND flash-based SSDs are much slower writing than reading due to the inability to rewrite directly into a previously written location forcing a procedure called garbage collection.

3 - Documentation / Reference