Even if the drive is indeed fast (55 MB / s write, 172 MB / s read aloud h2testw on my Win8.1 USB 3.0 computers, comply with the instructions on the packaging: Write 50 MB / s, 245 MB / s read), so I can only recommend it conditionally, because it does not allow the installation of encryption software. The included on the stick is not an option for me. Therefore, I forgive only one star and send the stick back.