Check USB for Speed and Version
Check USB for Speed and Version Made possible by your generous donations Donations Ivy Stone Place Sathero Meters DMS International BLOG Testing a USB drive's version and speed on Linux is easy using built-in terminal tools. You don't necessarily need to install third-party software. Step 1: Identify the USB Version and Port To check what USB generation your drive is currently connected at, you can inspect the kernel logs or use lsusb . Find your drive's device name (e.g., sdb , sdc ) by plugging it in and running: lsblk Check the USB connection speed via dmesg : sudo dmesg | grep -i usb | tail -n 20 Look for lines indicating the speed connection, such as New USB device found... speed 480M (USB 2.0), 5000M (USB 3.0 / 3.1 Gen 1), or 10000M (USB 3.1 Gen 2). Step 2: Test Read and Write Speeds Method A: Using dd (Built-in, No Installation Required) The dd command is standard on almost all L...