How does an external hard drive work?
By: Dachary Carey An external hard drive seems like a simple piece of technology; plug it in, add some files and off you go. However, you can do a lot with an external hard drive, so you should learn about the technology to ensure you’re getting the most from your investment. External Hard Drive Mechanics External hard drives work exactly like an internal hard drive, except for the way they’re connected. External hard drives are magnetic drives with rotating platters that store data. The faster the drive rotates, the faster it stores and retrieves data. Drive rotation speed is measured in revolutions per minute, or RPM, and a typical external hard drive would have a 5400RPM or 7200RPM speed. While the connection type and storage buffer both influence the file storage and retrieval speeds, the drive speed is the biggest variable in external hard drive performance. Back up Multiple Computers To ensure you’re always protected in the event of a computer malfunction or hard drive failure, y
