Lenovo ThinkPad USB 3.0 Portable Secure 2 TB Hard Drive (4XB0K83868) - Speed: 5400 RPM, Data Transfer Speed: USB 2.0 - Reads up to 33 MBps, Writes up to 25 MBps; USB 3.0 - Reads up to 75 MBps, Writes up to 55 MBps, Capacity: 2 TB, Connectivity: USB 2.0, USB 3.0 Connection Type: Wired via integrated USB-A Cable, Features: Programmable brute force; LED keypress indicator on/off; Admin forced enrollment; User forced enrollment; One-time use data recovery PIN; Read only mode (global&user); Programmable min. PIN Length; Lock override; Self-destruct PIN, Colour: Black