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larrens

25 Posts

13494

February 15th, 2008 11:00

Inspiron 9400 - HDD upgrade. SATA vs SATA II - are both compatible?

Hi

 

I have an Inspiron 9400.

I am upgrading the HDD & not sure if both SATA (i presume I have this) & SATA II are compatable?

 

Please confirm?

 

Thanks

 

larrens

25 Posts

February 15th, 2008 11:00

also does the buffer make that much difference in terms of performace?

 

most are 8mb, but the Hitachi has 16mb?

 

thanks

ejn63

1 Rookie

 • 

87.5K Posts

February 15th, 2008 12:00

SATA or SATA3G will work fine;  more buffer is generally beneficial, but not to a huge advantage in many cases.

larrens

25 Posts

February 15th, 2008 12:00

Thanks - lastly will i notice a performace difference using the SATA II or not as they seem to be quite a bit more expensive generally?

larrens

25 Posts

February 15th, 2008 12:00

thanks - but it is better to go for a 7200 instead of a 5200 - there i will notice a diff I assume?

ejn63

1 Rookie

 • 

87.5K Posts

February 15th, 2008 12:00

There's no performance difference for a single-drive installation;  the limiting factor is the spin speed of the drive, not the interface bandwidth.

You won't see more than 60-65 MBps from any notebook drive - doesn't matter what interface it has.

mombodog

12.7K Posts

February 16th, 2008 01:00

7200's perform better, but run hotter.

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