TX300 S7 / RX350 S7 Upgrade and Maintenance Manual 199
Hard disk drives / solid state drives
7.1 Basic information
– Solid state drives (SSDs) are always equipped before installing hard disk
drives.
– Hard disk drives / solid state drives with different capacities are installed
from highest to lowest capacity.
– Hard disk drives with different rotation speeds are installed from highest to
lowest speed.
– When installing hard disk drives with different bus technologies (SAS or
SATA), first install SAS drives and then SATA drives.
– Please refer to section "2.5-inch HDD / SSD configurations" on page 199 for
a complete overview of the mounting sequence.
– Install dummy modules into unused HDD / SSD bays.
7.2 2.5-inch HDD / SSD configurations
7.2.1 2.5-inch HDD backplane overview
Figure 92: 2.5-inch SAS backplanes - Rack version