racadm update via downloads.dell.com for DSS8440 ?

Im able to update all my R640 and newer via :

racadm update -f Catalog.xml.gz -e downloads.dell.com/Catalog -a TRUE -t HTTPS

Its not working for the DSS8440 with 8 GPU. How do i find out whats wrong ?

Unable to successfully complete JID_258378771265: Unable to complete the firmware update operation because the specified firmware image is for a component that is not in the target system inventory or the component is disabled for performing the update.