# Using Amazon Elastic VMware Service with FSx for ONTAP
Using Amazon EVS

You can use FSx for ONTAP as an external datastore for Amazon Elastic VMware Service (Amazon EVS) Software-Defined Data Centers (SDDCs). For more information, see [Run high-performance workloads with Amazon FSx for NetApp ONTAP](https://docs.aws.amazon.com/evs/latest/userguide/fsx-ontap.html). For detailed instructions, see [Configure Amazon FSx for NetApp ONTAP as an NFS datastore](https://docs.aws.amazon.com/evs/latest/userguide/config-fsx-nfs-datastore.html) and [Configure Amazon FSx for NetApp ONTAP as an iSCSI datastore](https://docs.aws.amazon.com/evs/latest/userguide/config-fsx-iscsi-datastore.html).