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How much RAM do I really need?

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November 25, 2011 2:11:24 PM

Hi all,

Building a new Z68 + i5-2500K based rig, and stuck in deciding how much RAM I would need. While 8GB will be enough now, I am thinking how much would I need over the life of this PC, which could be 3 to 4 years from now. Usage will be light gaming, with some photo editing and internet.

I don't want the hassle of buying later and ending up with mis-matched RAM, as it happened to me before. Since RAM is pretty cheap now, 8 GB or 16 GB?

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November 25, 2011 2:15:04 PM

fullerms said:
Hi all,

Building a new Z68 + i5-2500K based rig, and stuck in deciding how much RAM I would need. While 8GB will be enough now, I am thinking how much would I need over the life of this PC, which could be 3 to 4 years from now. Usage will be light gaming, with some photo editing and internet.

I don't want the hassle of buying later and ending up with mis-matched RAM, as it happened to me before. Since RAM is pretty cheap now, 8 GB or 16 GB?


Most people don't even touch above 4 GB of RAM. For light gaming and photo editing, go 8 GB RAM thats more than enough. I just put 8 because it was cheap enough.
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November 25, 2011 2:27:03 PM

I would also recommend 8GB. It will be more than enough.
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November 25, 2011 2:46:37 PM

Just make sure you get a 8GB RAM Kit 2x 4GB, then you can have it with 12 or 16GB later. Also have a good look at your motherboard manufacturer list of approved memory kits it supposts.
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November 25, 2011 3:04:51 PM

I will go with 8 GB minimum.
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November 25, 2011 3:08:59 PM

8GB for now, granted you most likely won't use all of it, but for later as texture sizes increase in games or if you start working with large textures or images in Photoshop than the extra RAM will come in handy. If you ever needed (chances are you won't for probably longer than the life of this pc) you could always upgrade as stated to 12 or 16GB down the road.
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November 25, 2011 3:35:37 PM

yeah go with 2x4GB and enjoy yourself...i haven't found much use for more than 4GB at the moment anyway...try getting CAS 8 DDR3-1600 if your board supports it and it fits your budget.
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November 25, 2011 3:41:01 PM

If you all you do is game then 4 GB is enough. 8 GB is cheap though and I have hit 4+ GB of use while multitasking and doing homework.
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November 25, 2011 4:07:05 PM

Go for 16. Setup a RAM drive of 8 for swap file and temp folder. Boot from an SSD and the only way to be faster is if it were precognitive.
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November 25, 2011 4:43:58 PM

You Sir, are speaking my language :D  I do have a SSD, so I guess your suggestion won't hurt.

I might just go for 16 GB people. That will cost me an extra $30, but I don't have to worry about compatibility issues later on when I try to add more RAM. There's a lifetime warranty on most brands anyway.

Is Corsair Vengeance Low Profile CL9 considered to be good RAM? Can it be overclocked or set to tighter timimgs ?

And what is the difference between these part numbers?

CML16GX3M4A1600C9B
CML16GX3M4A1600C9
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December 4, 2011 11:35:06 PM

Best answer selected by fullerms.
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December 4, 2011 11:35:36 PM

I have a 16 Gig set of CML16GX3M4A1600C9 on its way :) 
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