USB 3.0 not working thru UASP


my laptop mbp 15" of 2011.

linked external drive usb3.0 support through akitio thunder dock, hub provides multiple host ports, including usb3.0, esata, firewire 800, , thunderbolt well.
however, transfer rate low usb 2.0.

system information hardware overview:

usb 3.0 high-speed bus:

host controller location: thunderbolt
host controller driver: appleusbxhci
pci device id: 0x1100
pci revision id: 0x0010
pci vendor id: 0x1b73
bus number: 0x10

besides, found out external drive working through bot (iousmassivestorageclassic.kext) instead of uasp (iousbattachedscsi.kext).
, when uasp loaded manually, it's still not working.

possible external drive linked hub works under uasp?
or on mbp 15" of 2011 doesn't work?
 

i can't answer uasp other sound dock culprit, perhaps not using chipset efficient or causing issues.

did reach out vendor , ask it?
 


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