The d2 Quadra has got the latest connectivity with USB 3.0 and two FireWire 800 interfaces for daisy chaining, but it is still fully compatible with, eSATA 3Gb/s, USB 2.0 and FireWire 400. It"s even USB 3.0-compatible on Mac computers, thanks to LaCie"s USB 3.0 driver for Mac OS. With all of its interfaces, the d2 Quadra has universal connectivity, so it is easy to back up and restore any workstation, no matter the configuration and interfaces. And thanks to the USB 3.0 performance, you can make faster, more frequent backups of your data, keeping it safe and secure. Since the d2 Quadra tops out at a 4TB capacity, it can even be used as a simple and convenient storage expansion for a server.