As we can see from the picture, the disk is very small! Compared to a conventional hard disk.
For Mac Pro, the drive must be fixed with a special adapter (37 €).
First impression, it makes no noise (of course ... it's not mechanical) and is very appreciative.
To install it as system disk, you must first format it, before removing the old system disk.
I could easily split in 2 drives, 1 of 150 GB for the system, and 1 of 90 GB for my current projects.
Performance: Basically, it is almost 3 times faster than my old 150GB Raptor 10000 rpm !
Here are my bench: