PersistentDiskType

The persistent disk (PD) types of Compute Engine virtual machines.

Enums
PERSISTENT_DISK_TYPE_UNSPECIFIED Unspecified (default value). Selecting this value allows the system to use any disk type according to reported usage. This a good value to start with.
PERSISTENT_DISK_TYPE_STANDARD Standard HDD Persistent Disk.
PERSISTENT_DISK_TYPE_BALANCED Balanced Persistent Disk.
PERSISTENT_DISK_TYPE_SSD SSD Persistent Disk.