Quote:
Originally Posted by HarryT
I'm a keen photographer too, Jack, as you may be aware, and I too use Lightroom as my primary photo processing and cataloging tool. Do you think LR is particularly sensitive to disk speed? I have my LR library on an external 4TB USB drive (in a USB2 port, in fact) and LR runs absolutely fine. I've always considered that what it really wants is lots of RAM: it dramatically sped up for "develop" operations when I went from a laptop with 4GB RAM to one with 16GB.
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I suspect LR wants more and faster RAM more than faster file read/write speed. I think the issues I'm having with slow downs is more isolated to the two WD portable HDDs I've tried using. Both slow down my MBP simply by plugging them in. Everything seems to slow down, not just LR. I think they are the issue, not really LR. I have a MBP 15" Retina mid-2014 with 16GB of RAM and i7 processors, so I'm maxed out on RAM. However, when I use the SanDisk SSD drive I don't see any slow down. The two WD HDDs are USB 3, but they are the slower 5400 RPM models and not the 7200 RPM models.