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I edit AVCHD on a similar system... with NO raid and 3 hard drives (320Gig+320Gig+1Terabyte) and have not noticed any slowness or "stumbles" with the video
Other kinds of HD video do need, so I read, a raid setup... see my computer notes http://www.pacifier.com/~jtsmith/ADOBE.HTM
Do consider (if your case allows) side fans to blow air onto the GTX card and the motherboard
I have read in other messages that the GTX 470 will be "officially" supported soon, but the GTX 480 will NOT
I don't have links, so you might search the forum for GTX 470 and/or GTX 480 and do some reading
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This looks like a very balanced system with room to grow.
But let me try to help you with the disk setup, to which you have obviously given quite some consideration.
You plan on a Velociraptor 300 G. That should be used for OS & Programs.
Then you have 4 Spinpoint F3 disks, and you have the Areca controller. I would put these 4 disks in a Raid3. That means Windows will see it as a single disk, let's say your D: drive, with effectively 3 TB of space. That makes it easy to organize your projects and clean up after you finished your project.
Have a look here and closely look at the situation where you have 5 disks, one Velociraptor and 4 Spinpoints. Adobe Forums: Generic Guideline for Disk Setup
This approach makes it very easy to add future disks, because all you need to do is expand the raid with an additional disk and you have gained storage space and speed, without endangering your existing data.
Hope this helps.
I would go for a 1000w psu,
Thank you all for your comments and suggestions.
Harm, as a follow up –
It seems that you do agree that a RAID array and controller is appropriate for my needs at this time. That being the case, would you mind elaborating on why you think the particular card I have initially selected, through guesswork, is appropriate?
I could find nothing on the Internet which gave me any guidance on the practical difference between cards and why one would work in one set of circumstances and not another.
Harm uses the same model, I am using the 16 port version.
Areca are a very good brand for Raid and support Raid 3 & 30 the best for Video editing.
the 1680ix is the top of the range model, untill the new 1880 range is out.
from 12 port upto 24 port the card can be upgraded with 2gb or 4gb cache memory, stock is 512mb.
The cards can be setup via the bios or http software that is included.
Areca is the only one to offer Raid3, which for video editing is the best choice. The Raid0 test on Tom's Hardware is not really relevant. For advanced raid arrays I consider Areca the Rolls-Royce under raid controllers, albeit at a price. Raid 5 is great for web applications, but not for video editing and with Areca being the only one to offer Raid3, you have no choice.
Keep in mind that there are three regular contributors here, Baz, Bill G. and myself who all swear by Areca and whose benchmark results demonstrate its power.
Thank you gentlemen. Your assistance is very much appreciated.
Now, I can concentrate on finding a builder. Thanks to Bill Hunt, I already have one but am open to any other suggestions anyone might care to offer.