Tag Archives: Check support for UASP

Check if your USB 3.0 device supports USB Attached SCSI (UAS) Protocol

As you may or may not be knowing, older USB standards used a Bulk-Only Transport (BOT) protocol to transfer data between devices. When USB 3.0 was introduced, the BOT protocol was retained but a newer USB Attached SCSI protocol (UASP) was defined in the spec which uses the SCSI command set and allows for faster, multi-threaded parallel transfers with command queuing. However, due to low awareness, only a few USB 3.0 mass storage devices adopted UAS. Here is how you can find out if your USB 3.0 device supports UASP.
Continue reading