A SATA drive is an option for storing data used on your PC or laptop. The term is a shortened form of SATA Serial ATA, which is the type of interface. In return, ATA stands for "Advanced Technology Attachment" is - the original ATA is also known as legacy ATA or Parallel ATA, under other names.

The hard drive attaches to the motherboard of your computer desktop or laptop. Last motherboards produced have aIntegrated SATA host adapter, in which case they are compatible with this kind of hard. The most recent version of this interface widely used, SATA II, supports data transfer rates up to 3.0 Gbit / s (or double what the predecessor. In the third generation of the interface's maximum speed transfer rate up to 6.0 Gbit pushed / s.

The capacity of these disks has increased, and at the time of writing, the units available to the public up to 2 TB(Terabyte) are reasonable for interest rates (even higher if available) than their volume the lowest. Some common specifications in rpm (revolutions per minute), 7200, 5400, and 10,000. The amount of buffer memory is also a specific technique, sometimes called, and figures are common in this field: 8 MB, 16 MB and 32 MB.

In addition to the internal SATA version, there are external drives that interface, such as eSATA, which are also available as having been usedCapacity up to at least 2 GB. Instead of transferring them to use external memory or, in some people prefer other options such as flash memory.

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