3TB USB 3.0 Computer External Hard Disk Drives

Back up Data From a Computer to an External Hard Drive USB 3.0

Write that brilliant new screenplay and keep it safely stored away from crashes and other mishaps by placing a copy on an external hard drive. An external hard drive USB 3.0 device quickly transfers data from a connected source. eBay opens a door for anyone who wishes to order a USB hard drive for added storage purposes.

USB 3.0 follows the original 1.0 and 2.0 versions. The arrival of 3.0 represents a faster upgrade from the previous USBs. The specific improvement in speed comes in at 5 Gbit/s, reflecting a tenfold increase in speed over the 2.0 USB. This means data can be transferred from a computer hard drive to an external one faster. A USB 3.0 plug fits into the same port as a 1.0 and 2.0 USB. The design hasn't changed. The 3.0 version remains a "universal serial bus" in structure. The technological changes, however, deliver far higher speeds.

An external hard drive USB 3 0 requires electricity to operate. The inexpensive units sold on eBay do vary, but all of them rely on a plug-in construct to power up. Here are three ways the drive may derive its power:

• Wall outlet plug: One end of the power plug connects to the hard drive. The other end goes right into a wall outlet.
• Dual USB cables: External hard drives may also come with two USB cable connections. The one USB cable connects the internal and external hard drives, and the other cable draws power from a battery to the external drive.
• Single USB cable: A drive may rely on a single USB cable for data and power transfers. The single cable won't offer any less power than the dual one.

An external hard drive USB 3.0 comes with varying amounts of storage. eBay sells a wide variety of drives produced by different manufacturers, allowing you to pick your preferred amount. You can choose from 1TB, 2TB, and 3TB storage options.

SATA stands for "serial advanced technology attachment." The SATA components connected to the hard disk drive communicate between the computer and the hard drive. SATA hard drives come with a spinning disk in which the user writes and rewrites data.