Internal storage
The RD550 server supports the following internal storage configurations:
Server models without any drive bays that can be upgraded to 4x 3.5-inch SAS/SATA hot-swap
drive bays
Server models with 4x 3.5-inch SAS/SATA hot-swap drive bays + optical drive bay that can be
expanded with 2x 2.5-inch SATA hot-swap rear drive bays
Server models with 8x 2.5-inch SAS/SATA hot-swap drive bays that support PCIe RAID or AnyRAID
controller
Server models with 12x 2.5-inch SAS/SATA hot-swap drive bays; two of these SAS/SATA drive
bays can be converted to 2x 2.5" AnyBay drive bays.
The following figure shows the internal drive configurations.
Figure 8. Internal drive configurations
In addition, the RD550 server models can be upgraded with 2x SD card internal slots, or 2x M.2 SSD
internal slots, or both. The SD card slots are connected to the Intel Platform Controller Hub (PCH) via USB;
therefore, they do not require a RAID controller. The M.2 SSD slots require a supported RAID controller (for
details, see Controllers for internal storage).
Note: M.2 SSD slots and 2x 2.5-inch rear drive bays are mutually exclusive, that is, either M.2 SSD slots or
2x 2.5-inch rear drive bays can be selected in the configuration, but not both.
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