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SATA II or SATA III

My computer is around 2 years old and runs a SATA II HDD.
What I wanna know is, is my computer able to run a SATA III at maximum function or is my motherboard only II?

0G3HR7 is the Dell model
5 answers Last reply Best Answer
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  1. your motherboard only supports SATA II @ 3Gb/s. A hard drive that is rated for SATA II @ 6GB/s would still work but would not run at 6Gb/s it would default to 3GB/s
  2. Best answer
    It does not matter at all IF you plan to use standard mechanical HDD's - that is, the ones with spinning platters and moving heads. The speed of the mechanical components in those unit means no mechanical HDD can deliver data as fast as the speed of the SATA II (more properly, 3.0 Gb/s) communication interface. So an even faster interface makes no difference.

    This is NOT the right answer if you are planning to install a new SSD. Some of the newest of these CAN work faster that the SATA 3.0 Gb/s data transfer rate, so they really should be used on SATA 6.0 Gb/s ports if you have them. But even if you don't, an SSD on a SATA 3.0 Gb/s port will operate at the max speed of that port, and be significantly faster than any mechanical HDD. That is the backwards compatibility feature of a SATA 6.0 Gb/s device connected to a SATA 3.0 Gb/s port.
  3. With that out of the question,
    May I offer another one?
    Or should I put up a new topic?
  4. I believe you are only gonna get sata 2 speeds with that MB. You can run a sata 3 device but not at the faster speeds. Most all sata 3 drives are backwards compatible.
  5. Different question probably better to start a different thread. We'll watch for it.
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