Dell E28S Series Owner's Manual page 167

Installing and removing system components
Figure 82 Removing the ten 2.5 inch SAS/SATA backplane
a. hard drive/SSD backplane
b. backplane power cable
c. release tab (2)
d. SAS_A connector on the backplane
e. hard drive/SSD connector (10)
f. SAS_B connector on the backplane
g. SAS_C connector on the backplane
Dell PowerEdge R430 Owner's Manual
167