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Re: Question: SSD speed



Hi Hans,

6Gb/s is the maximum speed of SATA controller. Each SSD has its own
speed. For example maximum speed for SATA SSDs from Samsung is about
500MB/s what is about (8*500MB/s) 4Gb/s.

HTH

Kind regards
Georgi

On 10/7/20 11:39 AM, Hans wrote:
> Hi folks, 
> 
> I have a little question. Smartctl is telling me, that my ssd drive is 6Gb/sec 
> capable, but the actual speed is only 1,5GB/sec.
> 
> The notebook is a little bit older, AMD CPU with 2x2,4 GHz, 4GB RAM, debian/
> testing.
> 
> My question is now: How is the speed of the ssd set? Is it set by the hardware 
> or is it set during loading the kernel module?
> 
> And is there a possibility to set the speed to 6Gb/sec , i.e. by setting some 
> parameters or by loading the kernel modules with additional tags?
> 
> I searched the web, but found no other information than "use trimming" (which 
> does the kernel during installation automatically, and this system is 
> correctly trimmed).
> 
> It would be nice, if someone knows more. Strangely, my netbook got 3Gb/sec, my 
> Notebook only 1,5 Gb/sec, so I have the idea, it might be a configuration 
> thing.
> 
> Thanks for any help!
> 
> Best regards
> 
> Hans
> 
> 
> 
> 


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