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Urgent : Need a small expert advice on memory compatability

Last response: in Memory
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December 18, 2013 9:43:18 AM

Hi all,
I am kind of a novice here and have recently bought a Gigabyte -B75M D3H motherboard and was searching for a 8GB ram for it. Since I will be purchasing online so I have to be very sure before hitting it.
1. Corsair Vengeance DDR3 8 GB (1 x 8 GB) PC RAM (CMZ8GX3M1A1600C10)
2.Corsair XMS3 DDR3 8 GB (1 x 8 GB) PC RAM (CMX8GX3M1A1600C11)
3.Corsair Value DDR3 8 GB Desktop RAM (8GB Value 1600 C11 (CMV8GX3M1A1600C11))
4.Corsair Vengeance DDR3 8 GB (2 x 4 GB) PC RAM (CMZ8GX3M2A2400C10).
Thanks for advice
Sanu
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December 18, 2013 9:47:29 AM

4.Corsair Vengeance DDR3 8 GB (2 x 4 GB) PC RAM (CMZ8GX3M2A2400C10).
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December 18, 2013 9:50:06 AM

I would try to find something between 3&4 that motherboard can't overclock so you won't be able to run 2400 mzh memory, but 1600 MHz memory with CL11 is trash, Surely you can find something 1600 CL8, or 1866 CL9 to use?
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December 18, 2013 9:58:55 AM

I just quickly browsed your 4 options, and noticed they are all Corsair kits. Any reason in particular?

When looking for RAM, the three things I consider are, in order: Transfer rate, latency, and voltage (and by extension heat sink)
The transfer is the 1600MHz or 2000 MHz (It should be MT/s, which stands for millions of transfers per second)
The latency is the CAS timings (C11, C10, C9 were all present in your options)
And voltage being its own things. I personally do not like the look of RAM heat sinks which extend above the DIMM (Which is what Option 1 and 4 do) and I do not much like the total absence of a HS (such as with option 3). I think option 2 looks streamlined. Looks and performance are not the same, however.

You should look at a RAM benchmark to determine what sorts of transfers vs latency is best for your application, but 1866MHz at CAS 9 (slightly higher end, but not quite high end yet) has been said to be (not said by me) the option you should look for when buying RAM for gaming.

My system has 1600MHz at CAS 9 (at 1.5V, with a more streamlined look), which is in all honesty perfectly fine.

I'd agree with Laviniu regarding the 4th option, but I'd much prefer to see a broader range. Is that all that is available locally?

Another thing to mention is channels. Buying a single, super fast DIMM will, in many cases, be slower than buying 2 or 4 slow / normal speed DIMMs because modern machines have a dual channel (Intel Extreme has 4, servers are their own beast, and older intel stuff has 3. Low end stuff like AMD Brazos has 1). Meaning, in the simplest and probably technically wrong terms, that the CPU can access the DIMMs in dual channel twice as often as if they were in single channel.

Keep in mind, you might not even see or care about the performance loss. If all you're doing is watching youtube, writing reports, sending emails and playing minesweeper, you shouldn't care.

I hope I've elaborated enough to help, and not so much that it did damage! Good luck with your PC upgrade. :) 

Quick edit:

Supahos isn't technically correct.
http://ca.gigabyte.com/products/product-page.aspx?pid=4...
Your motherboard does support that higher end DIMM, kind of. You'll need a 22nm (read, Ivy Bridge) CPU. The 1.65V also is out of spec, which isn't necessarily a bad thing, it isn't something you normally want to do.

Something like this: http://www.newegg.com/Product/Product.aspx?Item=N82E168... is a much better buy. It's less expensive, high performance, etc etc.
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December 18, 2013 10:11:08 AM

Hi
I was thinking for quite some whether a 2 X 4GB will be better than 1 X 8GB.Still what is the best option for to get a 8 GB RAM in my system . Also I have a intel i5 3450 processor. I am not interested in OC of any sort. Just plain browsing and some games and may be HD Audio/ Video.
Thanks
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December 18, 2013 11:14:14 AM

the 2x4gb is certainly the way to go as it will be noticeably faster than a 1X8gb setup. For your system just get a good cl9 or cl8 1600 MHz kit and enjoy it will do anything you need it to.
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December 18, 2013 12:02:51 PM

Please can you tell in details:
Shall I simply buy two 4 GB RAM ( similar ) or is there anything available specially for this purpose ( you have mentioned kit)
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December 18, 2013 12:09:27 PM

http://www.newegg.com/Product/Product.aspx?Item=N82E168... is a good kit

or

http://www.newegg.com/Product/Product.aspx?Item=N82E168... if you need to stay under a CPU cooler which shouldn't matter since you can't OC


I would recommend some corsair but they are all at least $20 more than either of those options and are the same spec. Not sure what country you're in but either of the kits listed should work very nice for you.
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December 18, 2013 12:19:16 PM

Hi
Thanks for these suggestions but I am from Kolkata , India. These items are not available.
I can give a few examples of what is available.
1. Corsair Vengeance DDR3 4 GB (1 x 4 GB) PC RAM (CMZ4GX3M1A1600C9)
2.Corsair XMS3 DDR3 4 GB (1 x 4 GB) PC RAM (CMX4GX3M1A1600C9)

There are many other options available . If you really spare some time for me and go to this site:
http://www.flipkart.com/computers/computer-components/r...
then probably you can get my options
thanks
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Best solution

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December 18, 2013 12:24:38 PM

http://www.flipkart.com/g-skill-sniper-ddr3-8-gb-2-x-4-...

would be my choice then if you want 8gb...


however going with 2Xhttp://www.flipkart.com/g-skill-ripjawsx-ddr3-4-gb-1-x-... is cheaper but once you mix ram there is no guarantee of it working together. It SHOULD work but that doesn't guarantee anything.
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December 18, 2013 12:35:26 PM

Thank You very much Supahos . Your guidance is very much appreciated
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December 18, 2013 12:36:42 PM

no worries that's why I'm here.
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!