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So What are Serial ATA (SATA) disk drives?

Serial ATA is basically a replacement for IDE which we have been using now for about 20 years. IDE and EIDE were developed for desktop machines mostly, to allow them to have high data capacity and data rates to the internal storage systems. They did a superb job, lets face it with Apple & co coming round to the idea from SCSI because of the fantastic value for money. IDE has used ATA (Advanced Technology Architecture) in it's parallel form (PATA) and the SATA systems are using the serial form.

SCSI disks will be seen as too expensive for smaller servers with the advent of SATA


Serial ATA (SATA) brings easier installations because the cables are smaller and there is no longer any requirement for Master/Slave configuration.

As well as this the data rates are faster and the communication the disk makes with the interface has been improved. Data rates for SATA are 300 and 600 MB/sec at both the disk and interface.




Serial ATA connector - significantly smaller.

About Serial ATA
Industry leaders including Intel, Seagate, Maxtor, Dell, APT Technologies designed Serial ATA. This group is known as the Serial ATA working group and includes over 80 companies. This innovative interface is designed to overcome the limitations of Parallel ATA and replace it which it is doing as we speak.

Serial ATA offers consumers a new level of interface scalable performance, flexibility, and cost efficiency. Industry leaders designed Serial ATA with customer convenience in mind by ensuring 100% software compatibility, flexible thin cables, hot plug connectors, and improved data reliability and protection.

With a maximum external (burst) data transfer speed of 300 MB per second, Serial ATA improves hard drive performance to keep pace with increasing data intensive environments such as audio/video, consumer electronics and entry-level servers. The new drives appearing Q4 2005 SATA-II drives allow transfer speeds of 600 MB per second.

So is there a reason not to make the move over to SATA. If you don't care about speed and want a cheap option, IDE will be cheaper for a time.

SCSI is no longer adequately outrunning SATA to be worthwhile so.....

....No - Get one!


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Last modified: 27-Dec-2015.