11.2. Hardware Requirements
For installation of Red Hat Enterprise Linux on IBM Power Systems servers, Red Hat supports hard drives connected by a standard internal interface, such as SCSI, SATA, or SAS.
Fibre Channel Host Bus Adapters and multipath devices are supported. Vendor-provided drivers may be required for certain hardware.
Virtualized installation on Power Systems servers is also supported when using Virtual SCSI (vSCSI) adapters in virtual client LPARs.
Note that Red Hat does not support installation to USB drives or SD memory cards.