SATA speed for 2009 MBP

okay hard drive starting fail, , i'm looking replace it. ideally put in wd scorpio black @ 320gb.

question lies within mbp. it's 2009 13" model (after june update), , says sata link speed 3. mean i'm confined drive supports sata 2, or can increase speed use sata 3 drive?

if not can scorpio blue, prefer use black.

help!

 

s-ata 3.0 gbps (s-ata ii) compatible s-ata 1.5 gbps (s-ata i), s-ata 3.0 gbps (s-ata ii) , s-ata 6.0 gbps (s-ata iii) hdds , ssds, hdds slow (80 115 mb/s), won't saturate s-ata 1.5 gbps (s-ata i) (around 148 mb/s).

using s-ata hdd (i, ii or iii) on faster s-ata interface not faster speeds.

 

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