Upgrade Optical Drive Connection Speed?

Discussion in 'MacBook Pro' started by Silverrune, Jan 21, 2013.

  1. Silverrune macrumors regular

    Oct 2, 2011
    I plan on installing a secondary hard drive (1TB?) in the optical drive bay. I heard that drives can become bottlenecked when installed there because of connection speeds. Is there any way to upgrade the connection speed?
  2. simsaladimbamba

    Nov 28, 2010
    No, but even if it is only S-ATA 1.5 Gbps (S-ATA I) as interface, that is fast enough, as platter based HDDs will not even saturate S-ATA 1.5 Gbps (S-ATA I).

    HDD sequential read/write speeds are between 75 to 125 MB/s, depending on the drive, a 1 TB 2.5" HDD will probably be around 85 to 100 MB/s.
    S-ATA 1.5 Gbps (S-ATA I) offers around 148 MB/s.

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