32GB Padlock 2 USB 2.0. Corsair Flash Padlock 2 is designed for confidential and sensitive information. Your files are protected from snooping with 256-bit AES hardware encryption, and the durable rubber housing helps protect them from the elements, too. An easy-to-use, integrated PIN pad means no software is needed, so Padlock works equally well with Microsoft Windows, Mac OSX, and even Linux-based systems