Fujitsu PRIMERGY RX2540 M2 Upgrade And Maintenance Manual page 171

Hard disk drives (HDD) and solid state drives (SSD)
7.3.2.3 Connecting the SAS cables
Onboard SAS
Figure 67: Connecting the 3.5-inch HDD backplane 2 to the system board
Ê Connect the SAS cable of 3.5-inch HDD backplane 2 to the system board
connector SATA 7-10).
Upgrade and Maintenance Manual 171
RX2540 M2