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Author Topic: Storage systems and methods for photographers  (Read 12303 times)

David Eichler

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Re: Storage systems and methods for photographers
« Reply #40 on: September 04, 2017, 11:33:19 PM »

You could be seeing any number of things - wear on the internal drive, controller speed on the internal drive and chip technology on the internal drive.  The internal SATA port is 6Gb/s, so that isn't the limiter.  Newer SSD's have better controllers (remember the SandForce failures?) and faster internal pieces.  May I ask what drives are shown in MacOS?  Things like the Lacie Little Big Disk are cheating, where there are 2 drives working together.

You can also run the BlackMagic Disk Speed Test to compare their performance.

The internal SSD is the original Apple one. The external SSD is a SanDisk purchased in the last year or so. The SanDisk is about 15% faster than the internal drive (per the Black Magic speed test), and that is with the internal drive less than half full.
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