iops
The number of input/output (I/O) operations per second (IOPS) to provision for the volume. For gp3
and io1
volumes, this represents the number of IOPS that are provisioned for the volume. For gp2
volumes, this represents the baseline performance of the volume and the rate at which the volume accumulates I/O credits for bursting.
The following are the supported values for each volume type:
gp3
: 3,000-16,000 IOPSio1
: 100-64,000 IOPS
For io1
volumes, we guarantee 64,000 IOPS only for Instances built on the Nitro System. Other instance families guarantee performance up to 32,000 IOPS.
Iops
is supported when the volume type is gp3
or io1
and required only when the volume type is io1
. (Not used with standard
, gp2
, st1
, or sc1
volumes.)