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2400mhz or 1600mhz RAM for this CPU and MB?

Last response: in Components
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January 13, 2014 12:50:11 AM

Hi, what do you think, with that cpu INTEL CORE i5 4440 3.1 GHZ and that motherboard ASROCK Z87 EXTREME4, is better to go for a 2400mhz RAM, or it dont cares and is better 1600?
Thansk
January 13, 2014 1:01:05 AM

I don´t know what type of RAM your motherboard supports. Check your manual for that.

I personally would probably something in between. Something around 1866 or 2133.
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January 13, 2014 1:05:12 AM

Tha motherboard supports both of them, but i'm not sure if the price difference betwen those RAMS is worth
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a b } Memory
January 13, 2014 1:06:24 AM

The extreme 4 can handle both but it requires an overclock to get to 2400 which exceeds the intel recommended voltage. The 2400 would end up running at 1600 by default. Therefore go with the stock 1600 set. I do wonder why you have an overclocking mobo with possibly overclocking ram but not an unlocked cpu
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January 13, 2014 1:51:07 AM

Oh yeah, forgot to mention that.

I personally would go with 1866 or 2133 RAM that runs at low voltages.
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January 13, 2014 3:17:26 AM

Oh, thanks. So, with that cpu and mb, is better to pay a bit more and go for a 2133 Ram for example?
Did I have to look for any kind of particular voltage in the Ram? 1,5 maybe?
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January 13, 2014 5:59:27 AM

There won´t be that much difference between 1600, 1866 and 2133.
However, I have read some articles/benchmarks that say around 1866 seems to be a sweet spot for Haswell.

So, choose the RAM according to your budget.

Besides this, get sticks with good timings and I personally would stick with low voltage sticks. 1.5V that is.
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a c 99 } Memory
January 13, 2014 6:02:07 AM

Get some Gskill 1600.
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January 13, 2014 3:53:00 PM

I'm agree with your advices, so, with the possibility of choosing this four models (same price), what do you choose for that CPU and Motherboard thinking of no OC:
8 GB (2X4 GB) DDR3 2400 KINGSTON HYPERX BEAST CL11 XMP
8 GB (2X4 GB) DDR3 1866 KINGSTON HYPERX CL9 BLUE
8 GB (2X4 GB) DDR3 1866 KINGSTON HYPERX BEAST CL9 XMP
8 GB (2X4 GB) DDR3 2133 KINGSTON HYPERX BEAST CL11 XMP

Then, is more important to check the latency time or the Mhz?

Thanks
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a b } Memory
January 13, 2014 9:01:04 PM

The oversimplification is that one step lower in cas latency is equivalent to one step higher in MHz. So by this 1600 cas 9 is equal to 1866 cas 10. Typically though if you have 2 such options the higher MHz is preferred. Of course that is not always true since you have to figure in CPU and mobo support. Strictly speaking theoretically the best order from the ones you listed is 2400, then both 1866 then the 2133. For you I would suggest whichever 1866 have the lower voltages or if equal price or whichever you like the look of better.
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January 14, 2014 12:34:43 AM

Very thankfully. Anyway, someone says that I should oc my motherboard and cpu to make works the 2400ram at fully Mhz. Is that true? In this point, how can I make that with that i5 4440 and the Asrock extreme4?
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a b } Memory
January 14, 2014 1:29:17 AM

Well your mobo is set up for overclocking since it has the Z87 chipset but the CPU you have isn't a "k" version so it doesn't have an unlocked multiplier for overclocking. It's still possible but not as user friendly. Fortunately you don't NEED to overclock the CPU. Once installed go into your bios and enable the XMp profile on your ram it should jump up to it's rated speeds
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January 14, 2014 3:20:06 AM

Jameson Clark said:
Well your mobo is set up for overclocking since it has the Z87 chipset but the CPU you have isn't a "k" version so it doesn't have an unlocked multiplier for overclocking. It's still possible but not as user friendly. Fortunately you don't NEED to overclock the CPU. Once installed go into your bios and enable the XMp profile on your ram it should jump up to it's rated speeds


Oh thanks. So, it doesn't matter if the cpu has not the k, isn't it? I just have to select the XMp profile for the ram in the MOBO bios....

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January 14, 2014 4:24:29 AM

Oh my god, that is going to be more complicated that i thought... well, or maybe easier...hehehe
The point is that i went to the Asrock webpage, and consult the suported RAM list. In this list, is the DDR3 2666 4GB Kingston (KHX26C11T2K2/8X) module, so, it looks like, as the support says, that this modules have to run at 2666 speed with no oc and no special configuration of the bios, is that??? If it were true, i think is a great quality and amount of RAM (8Gb).
My last question, i promise :)  what determines the dual channel works? i've heared somethinkg like is a frequencies affairs but, how it works really? With that MOBO and a i5 4440, do i'll get dual channel on ram?
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a b } Memory
January 14, 2014 11:00:24 AM

No your ram won't run at that speed. When you first install the ram and boot up your computer they will be at 1600. You will have to go into the bios and overclock your ram. Maybe you can get it up to 2666 but I wouldn't suggest it. As for dual channel when you get your sticks and mobo the manual for the mobo will tell you which two slots to fill first. As for how it works it depends on the frequencies. For example if you put a 1600 and 1866 in dual channel they will both run at 1600 but you don't need to worry about it since you will be getting two identical sticks. As for the mobo and CPU support the Asrock extreme4 has 4 ram slots which is 2 dual channels, just make sure on installation you insert them in the right slits
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January 14, 2014 3:03:52 PM

oc the memory? why? the memory is a native 2666Mhz, no OC, and the MOBO supports that sticks. I suppose i will have to select the memory speed in the BIOS, but are you sure i'll have to really overclock?
My concern is about the voltage. I think the 1.65v of the memory is significant higher than MOBO goes, isn't it? So, will i have to change any parameter of voltage?
oh, by the by, i'm thinking i will get a i5 4670 instead the 4440. Is a little bit expensive but i think the first one is clearly best
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a b } Memory
January 14, 2014 3:23:39 PM

It's an overclock because the standard amount of voltage to the ram is 1.5v. The 4670 is a better choice
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January 15, 2014 12:17:39 AM

Jameson Clark said:
It's an overclock because the standard amount of voltage to the ram is 1.5v. The 4670 is a better choice


So, the thing that I have to overclock is just the voltage, till 1,65, isn't it?
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a b } Memory
January 15, 2014 12:33:36 AM

Nikholaus said:
Jameson Clark said:
It's an overclock because the standard amount of voltage to the ram is 1.5v. The 4670 is a better choice


So, the thing that I have to overclock is just the voltage, till 1,65, isn't it?


You will have to set the timings as well if they don't automatically in the XMp profile
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January 15, 2014 2:24:11 PM

OK, thaks you very much
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a b } Memory
January 15, 2014 6:25:09 PM

No problem
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