Larry, some quick Googling leads me to the conclusion that an external
SSD via FW or USB2 may or may not be worth the money and trouble, but it
would be expensive for me to find out. FW800 restricts the overall r/w
speed to about 80MB/s whereas the SSD drive should be capable of up to
500MB/s over an internal bus. There's some speed improvement, but not
what I'd hope for. See ...
http://www.hardmac.com/news/2011/03/09/is-an-ssd-in-a-firewire-case-any-good
http://forums.macrumors.com/showthread.php?t=1046727
OTOH, a couple of commenters noted that the SSD drive has ultra low
latency, so the bus speed restriction is not such a problem. Seek time
completely disappears so multiple random access operations for small
files is much quicker over the FW SSD.
Unfortunately, it would cost me $250 to get a case and SSD to try this.
That's a bit rich for an experiment.
I'll probably pass and wait for an iMac upgrade to one of the latest
ones with Thunderbolt I/O. Configuring in an SSD is a purchase-time option.
-bmw
On 11-05-06 2:15 PM, Larry Colen wrote:
Thanks, that looks very interesting. Unfortunately, I've heard that replacing the
drives in 24" iMacs is a real PiTA. Do you get similar performance increases
on external drives? I don't know what real world transfer speeds over FW and USB
are like.
On May 6, 2011, at 3:33 AM, Boris Liberman wrote:
Hi!
Just wanted to share with you the little thing I did for my PC to speed up LR a
bit. I bought a 60GB SSD HDD (OCZ Vertex 2) and moved there the LR catalog, ACR
cache and LR thumbnail/preview cache. That wasn't very expensive (I checked the
prices in USA, and they are even lower than here). But the benefits are there.
It takes no time at all in editing mode to click on the picture and to arrive
to the 100% view. Before that it was rather slow and since upgrade to K-5 it
became quite annoying...
I'm happy now.
Boris
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