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I have tested a 16GB USB flashdrive on both USB controllers (Asmedia & Intel) and no difference in speed detected in the benchmarks between USB controllers :ĬrystalDiskMark 5.2.1 圆4 (UWP) (C) 2007-2017 hiyohiyo UsbTreeView can show a 'H' in the icon of the high-speed ports and an 'S' for the SuperSpeed ports. Please check if "Usbtreeview" reports your USB drive connected to a Superspeed USB port. Removing your USB storage device and inserting it to another external Remember to Use "safely remove" (right mousebutton) in USBtreeview when Insert and test your USB storage device, with USBtreeview loaded, onĮxternal ports 8,12,16,17 to see if it now shows up as connected to a Superspeed Update driver for the Intel 3.0 eXtensible hostcontroller and let windows search on the internet for the new driver Uninstall the Intel 3.0 eXtensible hostcontroller from device manager Connect your USB keyboard and mouse with a USB hub to external port 9 from the asmedia hostcontroller

Insert and test your USB storage device, with USBtreeview loaded, on external port 9 to see if it now shows up as connected to a Superspeed portĤ) *Intel controller check external ports 8,12,16,17* Update driver for the Asmedia 3.1 hostcontroller and let windows search on the internet for the new driver Uninstall the Asmedia 3.1 eXtensible hostcontroller from device manager

Remember to Use "safely remove" (right mousebutton) in USBtreeview when removing your USB storage device and inserting it to another external portĢ) Update inf files from Asrock download pageģ) *Asmedia controller check external port 9* Insert and test your USB storage device, with USBtreeview loaded, on external ports 8,9,12,16,17 to see if it now shows up as connected to Superspeed port Run devicecleanup tool with ADMINISTRATOR rights (right mousebutton) and remove all devices listed Connect your USB keyboard and mouse to the highspeed USB ports of the generic USB 2.1 hub (check in USBtreeview)

In my system, above ports all work as Superspeed ports. USB external ports 8,9,12,16,17 should all act as Superspeed ports, when an Superspeed capable device is inserted.