Oem Ami only show odata.type question

Hi,

If we have no any PCIe device on our platform, and GET /redfish/v1/Systems/Self/Storage/StorageUnit_0/Controllers/0, Oem Ami only show odata.type and have no other property, Is that can be accept?

{
"@odata.context": "/redfish/v1/$metadata#StorageController.StorageController",
"@odata.etag": "\"1689255504\"",
"@odata.id": "/redfish/v1/Systems/Self/Storage/StorageUnit_0/Controllers/0",
"@odata.type": "#StorageController.v1_0_0.StorageController",
"AssetTag": "(USB_Controller_0)",
"FirmwareVersion": "1.20",
"Id": "0",
"Model": "Not Available",
"Name": "USB_Controller0",
"Oem": {
"Ami": {
"@odata.type": "#AMINVMeMIController.v1_0_0.AMINVMeMIController"
}
},
"SerialNumber": "Not Available",
"SpeedGbps": 3,
"Status": {
"Health": "OK",
"State": "Enabled"
},
"SupportedControllerProtocols": [
"USB",
"PCIe"
],
"SupportedDeviceProtocols": [
"USB"
]
}

Thanks,
Tina