LaCie 250GB d2 External Hard Drive Extreme USB 2.0 and FireWire 400/800 Interfaces (300790U) Capacity - Up to 250GB FireWire 400/800 Transfer Rate - 400/800 Mbits/s USB 2.0 Transfer Rate - Up to 34MB/s Average Seek Time - Less than 10ms Rotational Speed - 7200RPM