The server supports these storage devices through FC, iSCSI, NAS, or IB protocols:
SAN attached FC arrays
ZFS appliances
The server supports solid state storage add-in-cards in addition to these types of tape backup and restore devices:
TCP/IP
Fibre channel
SAS
InfiniBand
You can install a mixture of storage devices, but the server requires at least one storage device to be installed and operational.
Contact your Oracle Sales representative for more information about the supported storage devices. Find the list of the supported PCIe HBAs at:
https://community.oracle.com/community/server_%26_storage_systems/systems-io/sparc-servers