Will a sata 3 SSD, fitted to a sata 2 port improve speed of laptop?

I have a xps 1645 and want to improve the speed of the SSD to a sata3, will it work if my sata port is 2 and will it be a big improvement?

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More about will sata fitted sata port improve speed laptop
  1. if you have a standard laptop hard drive in there then yes it will make a big improvement--but it will be limited to the sata 2 speed of roughly 280mbs and 260mbs read and write
  2. Hi

    I have a slow samsung pm800 256gig in here at the moment, with speeds of just 120 read, 40 write, so would at least get double, but would i notice it?
  3. Best answer
    i put an intel x25-m sata 2 drive in my laptop and noticed a huge improvement in everything i did
  4. Best answer selected by mpscuk.
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