<!--
{
  "documentType" : "article",
  "framework" : "USBDriverKit",
  "identifier" : "/documentation/USBDriverKit/superspeed_usb_endpoint_descript-enum",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "SuperSpeed USB Endpoint Descriptor Options"
}
-->

# SuperSpeed USB Endpoint Descriptor Options

Constants for super-speed endpoint attributes.

## Topics

### Getting the Descriptor Options

[`kIOUSBSuperSpeedEndpointCompanionDescriptorMaxBurst`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorMaxBurst)

[`kIOUSBSuperSpeedEndpointCompanionDescriptorMaxBurstPhase`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorMaxBurstPhase)

[`kIOUSBSuperSpeedEndpointCompanionDescriptorBulkMaxStreams`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorBulkMaxStreams)

[`kIOUSBSuperSpeedEndpointCompanionDescriptorBulkMaxStreamsPhase`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorBulkMaxStreamsPhase)

[`kIOUSBSuperSpeedEndpointCompanionDescriptorBulkReserved`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorBulkReserved)

[`kIOUSBSuperSpeedEndpointCompanionDescriptorBulkReservedPhase`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorBulkReservedPhase)

[`kIOUSBSuperSpeedEndpointCompanionDescriptorIsocMult`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorIsocMult)

[`kIOUSBSuperSpeedEndpointCompanionDescriptorIsocMultPhase`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorIsocMultPhase)

[`kIOUSBSuperSpeedEndpointCompanionDescriptorIsocReserved`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorIsocReserved)

[`kIOUSBSuperSpeedEndpointCompanionDescriptorIsocReservedPhase`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorIsocReservedPhase)

[`kIOUSBSuperSpeedEndpointCompanionDescriptorSSPIsocCompanion`](/documentation/USBDriverKit/kIOUSBSuperSpeedEndpointCompanionDescriptorSSPIsocCompanion)


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)