For collecting data directly at and transporting quickly from synchrotrons to home for further processing, external drives are ideally suited. These drives have two
type of interfaces: FireWire400 (aka, IEEE 1394 drive or i-LINK drive) and USB2. They support high transfer rate of 400 mbps, hot-swappable, hot-pluggable, and are compact. These drives have two FireWire ports, one High Speed USB 2.0 port,
and external power supply. More information about combo drive is available here.
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