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Worth getting 32gb for Ram Cache/Drive?

post #1 of 4
Thread Starter 
I'm planning on getting an Asus Sabertooth x79 motherboard. I going to get at least 16 gb of ram.

Or 32gb to make a larger cache and or Ram Drive.

Should I get 32gb? Wait? Would it hurt my OC to have 8 dimms installed? I know it would in my p45 board with 4 dimms installed, but I don't know as much on the x79 platform.
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Acrylic PC 2.0
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CPUMotherboardGraphicsRAM
Intel i7 3820 @4.3ghz @1.285v  Asus Sabertooth x79 Gigabyte 4gb GTX 770 Gskill Ares 1600Mhz 4x4GB 
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256GB Samsung Pro SSD (2)150GB Rapter Xs in Raid 0 1TB Samasung F3 12X Blu-Ray Burner 
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post #2 of 4
I personally find 32GiB enormously useful, but I'm not a very typical user. It is nice to be able to use a large ramdrive as swap space for various work, or to just leave a 10GiB game in one for reduced loading times/streaming stutter.

More memory, especially more ranks of memory, can impact CPU OCing to a degree. It's usually not large, and can be mitigated with tweaking, but it is a potential issue. I wouldn't worry about it though, the difference on more standard cooling methods generally isn't noticeable.

A more pressing problem is that while most X79 boards do well with four DIMMs, the ones that do well with eight are fairly rare. I'm not certain how the Sabretooth will react with eight sticks.

With the price of 8GiB DIMMs having dropped so much, you are probably best off grabbing four of those, unless you already have memory to use.
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post #3 of 4
Thread Starter 
Thanks for the reply! I read up on it some more and I think I'm only going to do 16gb. It seems that it isn't much faster than just having it on an SSD.
I'll try a ram cache though and see if that helps. Do you know how much a ram cache helps?
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Acrylic PC 2.0
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24/7 PC Haswell
(18 items)
 
Home Server
(13 items)
 
CPUMotherboardGraphicsRAM
Intel i7 3820 @4.3ghz @1.285v  Asus Sabertooth x79 Gigabyte 4gb GTX 770 Gskill Ares 1600Mhz 4x4GB 
Hard DriveHard DriveHard DriveOptical Drive
256GB Samsung Pro SSD (2)150GB Rapter Xs in Raid 0 1TB Samasung F3 12X Blu-Ray Burner 
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CM 212 EVO  Windows 8 Pro 64 Bit Asus VS247H-P Asus VS247H-P 
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Asus VS247H-P Razer Blackwidow Bf4 SeaSonic X750 Sunbeamtech 9 Bay Acrylic Case 
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Realtek ALC892 Dell Sound Bar 
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E5400@ 2.7ghz  xfx 750i 9500gt 4GB (1x4) 1200mhz OCZ Reaper Memory @ 666 MHZ 
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post #4 of 4
I believe that the CPU's IMC is what dictates how much and how fast the memory can be used/run, not the motherboard.

I would personally get 4x8GB instead of 8x4GB, if you really want 32GB of memory. However, I think that 16GB is plenty for anything outside of professional use, even with a RAM Disk. Anything larger than 4-6GB for the RAM Disk will have diminishing returns, especially when you compare the absolute throughput of a 4GB disk at 2133 9-10-10-28 or 2400 10-12-11-30 to a 16GB disk at 1600 9-9-9-20 or 8-9-8-18.

Now, I am not an expert, but I do use my rig for audio editing/mixing, and video/photo editing, and I have never seen a need for more than 4GB of RAM Disk space, and I definitely wouldn't want to have todrop speed to have more sspace.
   
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