Back up your data with this external 3.5'' Hard Drive. 7200 rpm for high-performance and 16 MB data buffer. With a fanless design for near-silent operation. You can place it horizontally or vertically. And it's easy to back-up your data with PushButton™ Backup. Plus password security to prevent unauthorised access. RoHS-compliant. System Requirements: PC with minimum 233 MHz, Pentium or equivalent (Celeron, AMD, etc.), Windows® XP/2000, available USB 2.0 port.