La Cie Rugged Mini USB 3.0 / USB 2.0 4TB Portable Hard Drive LAC9000633

Shock, drops up to 4 feet, dust and water resistant for all-terrain use. For Mac compatibility this Hard Drive requires reformatting. Refer to Application Guide for more details.. Password protection built in. Uses USB 3.0 which is up to 4 times faster than USB 2.0 (USB 2.0 compatible)