better to have 2x500 GB or 1x1TB? (SATA)

From my experience, RAID hasn't given me that large of a performance gain. But then again, I'm not a gamer. For me, it's just annoying to have two hard drives. I'm kind of a neat freak it makes things so much easier for me just to have everything on one hard drive.
 
The only benefit I can of of having 2 HDD's is for RAID setups, and if you go with RAID 0, you would basically be doubling your risk of losing all your data. But okay, I'm not trying to steal this guy's thread, but I have a question. Haha I've asked this before but the apparent answer still seems completely illogical.

Assuming my HDD is my bottleneck at startup and not my CPU, wouldn't dividing the startup programs onto two different hard drives decrease boot time? Maybe move my program files onto an external (eSATA for simplicity) would allow both my startup programs and the OS to be loaded at the same time?
 
In response to the original post, the 2x500 may give you a slight read/write speed increase over the 1x1000 because they will have less space to search through, but we're talking milliseconds here... If you do 2x500 and do RAID 1 I believe it is, then you'd be able to have 1 fail and still have an exact duplicate of it, however, you'd also be losing 500 GB of space. Personally, I like to have smaller drives that way if and when one dies or is in the process of failing, you can make it easier to save or transfer the data to free space on one of the properly functioning drives.

To answer your question kookoo, I don't believe the difference would really matter, since the processor would have to deal with each program in turn. If you think of it like this, the terminal can only handle one processing line at a time, so just adding another line for the data to come from won't increase the boots times. In fact if my understanding is correct, you'll probably make it slower because the computer will have to switch between the two different sources instead of just being able to concentrate and dedicate itself to one source.
 
Now that makes a bit more sense, haha thank you.

And again to the OP, the only benefit in performance would be a RAID 0 setup, but then you would have to worry about losing all your data. The solution to this is a RAID 10 setup, but by then it's just too complicated and expensive.

In terms of paging file, it would probably be more beneficial to get a x64 bit OS, get 8GB of RAM and disable the page file. Flash is always faster than disk . . . with the exception of possibly 2 Velociraptors in RAID 0 or a 15000 RPM drive.
 
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