![]() ![]() ![]() When you run USB Device Tree Viewer, you'll see a list of USB Host Controllers (there are 3 on my notebook). F is for full-speed (12 Mbit/s), which can be USB 1.1 or 2.0. You could also use USB Device Tree Viewer, which is very similar to USBView.exe and you won't have to download the huge WDK to use it.ĮDITED: in the screenshot below, H is for high-speed (480 Mbit/s) so USB 2.0. The SanDisk is getting 170 MB/s reads, 130 MB/s writes and the Toshiba is getting around 110 MB/s.Īnother way to check whether you are using a USB 3.0 connection or not is to use USBView.exe from Windows Driver Kit (WDK) By following these instructions I've been able to coerce the driver installer to run correctly, fixing the issue. In doings so I appear to have missed one or more devices. USB drives are a Toshiba Canvio Basic A1 2.5" 1TB USB 3.0 External and a SanDisk CZ80 Extreme 64GB USB3.0 Flash DriveĮDIT/SOLVED - My root problem here was driver related I'd tried to manually install Intel USB 3.0 eXtensible Host Controller Drivers for Windows 7 on Server 2008 R2 (since no server drivers are available).Reading and writing to the internal SSD (so no bottleneck there). ![]()
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