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How to measure the speed of SATA devices from the command line on Linux

Apr 05, 2013, 07:00 (0 Talkback[s])
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SATA is the most common bus interface on desktops and on many servers, so it???s important that you know some basic concepts about it Serial ATA (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. Serial ATA replaces the older AT Attachment standard (ATA; later referred to as Parallel ATA or PATA), offering several advantages over the older interface: reduced cable size and cost (seven conductors instead of 40), native hot swapping, faster data transfer through higher signalling rates, and more efficient transfer through an (optional) I/O queuing protocol. In short they are usually referred as: SATA revision 1.0 ??? 1.5 Gbit/s ??? 150 MB/s SATA revision 2.0 ??? 3 Gbit/s ??? 300 MB/s SATA revision 3.0 ??? 6 Gbit/s ??? 600 MB/s So which revision are you using on your computer ?

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