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Groups > comp.sys.mac.system > #49707

Re: Late 2012 iMac - HD / SATA speed incorrect?

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In article <1laf9x8.775h021i8obcwN%nospam@ab-katrinedal.dk>, Niels
Jørgen Kruse <nospam@ab-katrinedal.dk> wrote:

> Alan Browne <alan.browne@FreelunchVideotron.ca> wrote:
> 
> > Delving into the system nitties and gritties, the System information for
> > the hard disk shows ( see "<--")
> > 
> > Note that the HD is the ST1000DM003 (Seagate) which has a 6 GB/s SATA
> > specification.
> > 
> > So why is the Negotiated Link Speed at 3 instead of 6 GB/s?
> 
> Perhaps they decided they could save a bit of heat by not running the
> interface faster than the disk can use?
> 
> Mine is from the early rush on that model and the negotiated link sped
> on the (Western Digital) HDD is 6 Gbit/s.

Of course, the "negotiated link speed" or the "actual speed" of
anything is never going to be the same as the "quoted / theoretical
speed" - that goes for hard drive, modems, connections like USB, etc.

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Thread

Late 2012 iMac - HD / SATA speed incorrect? Alan Browne <alan.browne@FreelunchVideotron.ca> - 2013-10-07 16:21 -0400
  Re: Late 2012 iMac - HD / SATA speed incorrect? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2013-10-07 17:11 -0400
    Re: Late 2012 iMac - HD / SATA speed incorrect? Alan Browne <alan.browne@FreelunchVideotron.ca> - 2013-10-07 17:28 -0400
      Re: Late 2012 iMac - HD / SATA speed incorrect? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2013-10-07 17:43 -0400
        Re: Late 2012 iMac - HD / SATA speed incorrect? Alan Browne <alan.browne@FreelunchVideotron.ca> - 2013-10-07 17:55 -0400
  Re: Late 2012 iMac - HD / SATA speed incorrect? Your Name <YourName@YourISP.com> - 2013-10-08 19:27 +1300
    Re: Late 2012 iMac - HD / SATA speed incorrect? nospam <nospam@nospam.invalid> - 2013-10-08 03:31 -0400
      Re: Late 2012 iMac - HD / SATA speed incorrect? Paul Sture <nospam@sture.ch> - 2013-10-08 18:32 +0200
    Re: Late 2012 iMac - HD / SATA speed incorrect? Alan Browne <alan.browne@FreelunchVideotron.ca> - 2013-10-08 16:25 -0400
  Re: Late 2012 iMac - HD / SATA speed incorrect? nospam@ab-katrinedal.dk (Niels Jørgen Kruse) - 2013-10-08 12:45 +0200
    Re: Late 2012 iMac - HD / SATA speed incorrect? Your Name <YourName@YourISP.com> - 2013-10-09 09:07 +1300
  Re: Late 2012 iMac - HD / SATA speed incorrect? - [solved] Alan Browne <alan.browne@FreelunchVideotron.ca> - 2013-10-08 16:27 -0400

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