TX2550 M4 Upgrade and Maintenance Manual 169
Hard disk drive (HDD) / solid state drive (SSD)
Figure 89: Example six backplanes - rack model
Figure 90: Example six backplanes - floorstand model
I This numbering is based on "Configuration with additional PCIe-SSDs"
on page 177.
1 SAS backplane 1 in HDD cage 1 (basic configuration)
2 SAS backplane 2 in HDD cage 1 (basic configuration)
3 SAS backplane 3 in HDD cage 2 (basic configuration)
4 SAS backplane 4 in HDD cage 2 (basic configuration)
5 PCIe SSD backplane 1 in optional 4x 2.5-inch PCIe SSD extension box
6 PCIe SSD backplane 2 in optional 4x 2.5-inch PCIe SSD extension box