If the file system of your USB storage device is FAT32, you can convert it to NTFS to fix the slow transfer speed issue. 2Fix Slow USB 3.0 Transfer Speed by Converting USB 3.0 from FAT32 to NTFS Step 4: Reboot your PC and confirm that the transfer speed has improved. Step 3: Right-click a driver, click “Update drive”, and follow the guide. Step 2: From the list, expand Universal Serial Bus controllers to reveal some more items. Step 1: Press Windows + “X” and click on “Device Manager”. Step 4: Restart your machine if it does not do so automatically and confirm if the UB 3.0 transfer speed slow has increased. Step 2: Check for pending Windows updates. Click “Update & security” and select “Windows Update'.
Step 1: Ensure that Windows updates is enabled. Using one of the following two techniques below: Update Driver from Windows Update If so, you need to update the USB controller driver. transfer speed slows down after you performed an upgrade to Windows 10/11, it may be due to driver incompatibility. Part 2: How to Fix USB 3.0 Transfer Speed Slow Issue 1Update USB Controller Driver