Makes it possible to mount 2x2.5" drives in one 3.5" bay.
Fits HP Prodesk/Elitedesk snap-in mount. M3 screws needed for fastening 2.5" drive.
Oval holes makes it possible to stagger the drives a bit, so the SATA/Power connectors are not interfering with each other.
The author marked this model as their own original creation.