TX2560 M2 / RX2560 M2 Upgrade and Maintenance Manual
6.4.3 Installing the new PSU .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 151
6.4.4 Concluding steps   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 151
7 Hard disk drive (HDD) / solid state drive (SSD) .  .  .  .  .  .  .  . 153
7.1 Basic information   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 154
7.2 2.5-inch HDD/SSD/PCIe SSD configurations  .  .  .  .  .  .  .  .  . 155
7.2.1 Equipping the 2.5-inch HDD/SSD bays  .  .  .  .  .  .  .  .  .  .  .  .  . 155
7.2.2 Backplane overviews   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 156
7.2.3 Configuration with up to eight HDD/SSD modules 
(one backplane)  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 159
7.2.4 Configuration with up to 16 HDD/SSD modules 
(two backplanes) .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 160
7.2.5 Configuration with up to 24 HDD/SSD modules 
(three backplanes) .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 162
7.2.6 Configuration with up to 32 HDD/SSD modules 
(five backplanes) .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 164
7.2.7 Configuration with up to 24 HDD/SSD modules and up to 
8 PCIe SSDs SFF (six backplanes)  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 166
7.2.8 Mixed configuration of 2.5-inch HDD/SSD modules and 
3.5-inch HDD modules (three backplanes)   .  .  .  .  .  .  .  .  .  .  . 169
7.2.9 Mixed configuration of 2.5-inch HDD/SSD modules and 
3.5-inch HDD modules (five backplanes)  .  .  .  .  .  .  .  .  .  .  .  . 171
7.2.10 Installing 2.5-inch HDD/SSD modules .  .  .  .  .  .  .  .  .  .  .  .  .  . 173
7.2.10.1 Preliminary steps .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 173
7.2.10.2 Removing a 2.5-inch HDD/SSD dummy module .  .  .  .  .  .  . 173
7.2.10.3 Installing a 2.5-inch HDD/SSD module .  .  .  .  .  .  .  .  .  .  .  . 174
7.2.10.4 Concluding steps .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 174
7.2.11 Removing 2.5-inch HDD/SSD modules  .  .  .  .  .  .  .  .  .  .  .  .  . 175
7.2.11.1 Preliminary steps .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 175
7.2.11.2 Removing a 2.5-inch HDD/SSD module .  .  .  .  .  .  .  .  .  .  . 176
7.2.11.3 Installing a 2.5-inch HDD/SSD dummy module   .  .  .  .  .  .  . 177
7.2.11.4 Concluding steps .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 177
7.2.12 Replacing a 2.5-inch HDD/SSD module .  .  .  .  .  .  .  .  .  .  .  .  . 178
7.2.12.1 Preliminary steps .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 178
7.2.12.2 Removing a 2.5-inch HDD/SSD module .  .  .  .  .  .  .  .  .  .  . 179
7.2.12.3 Installing a 2.5-inch HDD/SSD module .  .  .  .  .  .  .  .  .  .  .  . 179
7.2.12.4 Concluding steps .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 179
7.2.13 Replacing a 2.5-inch HDD SAS backplane   .  .  .  .  .  .  .  .  .  .  . 179
7.2.13.1 Preliminary steps .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 179
7.2.13.2 Removing the 2.5-inch HDD bay top cover   .  .  .  .  .  .  .  .  . 180