Aegis Padlock 3.0 500GB HDD A25-3PL256-500 Features: Pocket Portability Built-In Rugged USB 3 Cable On-the-Fly 100% Hardware-Based Encryption Software-Free Setup and Operation Cross-Platform Compatible Host-Free Onboard Keypad Authentication Specifications: Data Transfer Rate USB 3.0 - up to 5 Gbps Power Supply 100% Bus Powered Buffer Size 8MB Interface Super Speed USB 3.2 Gen 1 (Backwards compatible with USB 2.0 and 1.1) RPM 5400 HDD Average seek time 12 ms Shock - non operating 1000G 1ms Shock - operating 300G 2ms Dimensions 19mm X 84.5mm X 120mm (0.75” X 3.3” X 4.7”) Weight: 6.2oz. Warranty 3 year limited Approvals FCC & CE ECCN / HTS / Cage Code 5A992.c / 8471.70.5065 / 3VYK8 System Requirements Hardware Encrypted Hard Drive is compatible with all Operating Systems, including Windows, Mac and Linux Requires USB port