Fujitsu PRIMERGY RX2540 M4 Upgrade And Maintenance Manual page 168

Hard disk drives (HDD) and solid state drives (SSD)
Figure 79: Installing the 12x 3.5-inch HDD backplane (B)
Ê Fasten the HDD backplane with 4 screws (see circles).
Figure 80: Connecting power cables to the HDD backplane
Ê Connect the two power cables to the HDD backplane:
1 from connector "PWR1" on the system board to the connector "X41"
2 from connector "PWR2" on the system board to the connector "X40"
168 Upgrade and Maintenance Manual
RX2540 M4