Which external hard drive interface is fastest?

You need to increase the storage in a new laptop with an external hard drive, but your applications require high-speed access to storage. Which of these external hard drive interfaces provide the fastest throughput?

A) SCSI

B) USB

C) FireWire 400

D) eSATA

E) Barbed wire

The answer: D) eSATA

External SATA drive connections provide the same fast throughput as SATA, with SATA II speeds at 300 megabytes per second.

Want to know more? Watch “Storage Devices.” Storage technology has changed dramatically through the years, from floppy disks through solid state drives. In this video, you’ll learn about the technology behind floppy drives, hard drives, solid state technologies, and optical drives. You’ll also learn about removable storage technologies, tape drives, and external storage options.