Drive bay numbering: Smart Array controller
When the drive backplane is connected directly to a storage controller, then each drive box starts at 1. The following images are examples of common configurations.
24SFF
![Front SFF drive bay numbering](mob_017.png)
12LFF
![4 LFF device bay numbering](mob_018.png)
6SFF rear panel
![Rear SFF/LFF drive bay numbering](mob_019.png)
2SFF + 3LFF rear panel
![Reary 3-LFF drive numbering](mob_020.png)
Universal media bay
![SFF Universal Media Bay drive numbering](mob_044.png)
8LFF + Universal media bay, optional 2SFF, and optical drive
![](mob_042.png)
Midplane box
![4-LFF midplane drive numbering](mob_041.png)