Sony 1TB Professional External Hard Disk Drive (PSZHA1T/US) Reinforced protective case reduces the chance of damage for the safe transport and storage of content Engineered with heavy silicon cover for professional shock-resistant protection 1 x USB 3.0 & 2x FireWire 800 ports with unique dust and splash-resistant interface doors Up to 120MBps data transfer rate via USB 3.1 5400rpm disk speed Pre-installed formatting software to switch between FAT32, HFS+ and NTFS Stackable for easy daisy-chaining with increased air flow between drives and less heat build-up Windows and Mac compatible