Fujitsu PRIMERGY TX2550 M5 Upgrade And Maintenance Manual page 204

Hard disk drive (HDD) / solid state disk (SSD)
Figure 111: Example: five backplanes - rack model
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)
204
4
5
Upgrade and Maintenance Manual
SAS backplane 4 in HDD cage 2 (basic
configuration)
SAS backplane 5 in optional 8x 2.5-
inch HDD extension box
TX2550 M5