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But then, wouldn't you want a beefier machine? 64Gb of RAM seems a bit on the low side for such tasks.

I would also think having multiple disks would be a pretty important feature (so you can stripe them for speed...) A single SSD? Really?

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For video editing, proc and gpu are actually the important parts once you hit a certain point with ram and disk. Think about it, 4K videos in raw form are about 15gb per minute so you need a threshold of swapping and loading with ram and disk that allows you to move data in and out fast enough so the editing can be done in ram but you experience no lag as the user.

With disk in PCIe and a good controller you are getting around 1gb per second disk action so you have more than enough headroom.

Ah, that makes sense. Thanks for your explanation :)

I'd imagine the intent with storage is to use the Thunderbolt ports to connect to a storage device (probably one with hardware RAID) that takes up far more physical space than is available inside the Mac Pro chassis itself and has far larger capacity / redundancy that they couldn't fit into the form factor reasonably.

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