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Sata Mode 2 or 3

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#1 dztormos1234


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Posted 04 May 2017 - 11:32 AM

Hello , I am using toshiba satellite p50-a laptop . It has a hdd 1 Terabyte  hard disk. 

i want to replace it with ssd one,But i don't know which SATA mode compatibility I should buy.

The current hdd is sata 2 but I don't know if I can replace it with a sata 3 mode ssd  .So i installed sissoftware  sandra


it shows me when i entered the mainboard 


port                                                G2/sata300  (I think that this the hdd ) 

port                                                G1/sata150  (I think that this the dvd reader)

maximum sata mode                    G3/sata600 


knowing that sata150  is sata 1

                     sata300  is sata 2

                     sata600  is sata 3

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#2 hamluis



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Posted 04 May 2017 - 12:16 PM

SATA3 is backward compatible, SATA2 is backward compatible.  Your motherboard determines the max SATA speed supported.


"SATA II specifications provide backward compatibility to function on SATA I ports. SATA III specifications provide backward compatibility to function on SATA I and SATA II ports. However, the maximum speed of the drive will be slower due to the lower speed limitations of the port."




SATA3 drives are the more prevalent today.



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