TX2550 M4 Upgrade and Maintenance Manual 167
Hard disk drive (HDD) / solid state drive (SSD)
Figure 86: Example three backplanes - floorstand model
I This numbering is based on "Configuration with up to 24 HDDs/SSDs
with HDD extension box" on page 173.
1 SAS backplane 1 in HDD cage 1 (basic configuration)
2 SAS backplane 2 in optional HDD cage 2
3 SAS backplane 3 in optional 8x 2.5-inch HDD extension box