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RAM MHz and MoBo/CPU limitations

Balverine
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Go to solution Solved by ForsakenLive,

The memory controller is on the CPU, and it will support up to 1600mhz officially, this is for all haswell CPUs, which can "OC" the memory controller in order for it to work for example at 2133mhz.

However you also need motherboard support, the Asrock Pro4 H87 supports up to 1600mhz, get that.

 

There is no benefit on regular use and gaming for higher speed memory unless you are using integrated graphics.

Posted

Might be a noob question but it got me quite a bit confused.

Scenario: I got a ASRock H87 Pro4 and i3-4130, both said to be compatible with RAM at 1033/1333/1600MHz. My RAM is 2x4GB of G.Skill RipjawsX running at 1600MHz and CL9-9-9-24.

 

Would my CPU and MoBo be able to handle higher RAM clock speeds or would I have to get a different MoBo and CPU? (in case I bought, lets say, RAM with 1866MHz or higher)

 

Thanks in advance!

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Posted

dont quote me on this

 

I dont think it matters what the cpu says what it is compatible with, But whatever the motherboard says is the limit is actually true

CPU: i7 8700k Motherboard: MSI Z370 Krait Gaming RAM: 4x 8GB Corsair Vengeance Pro (2 white, 2 black) GPU: MSI RTX 2070 Armor Case: Corsair Crystal 570x White HDD: 2x 2TB Seagate Barracuda 7200rpm Sata 3 SSD: 240GB Corsair Force 3 + 500GB Samsung 970 Evo Cooling: Corsair Hydro Series™ H150i PSU: Corsair RM750i OS: Windows 10 Pro 64-Bit

Mouse: Logitech G600 Keyboard: Corsair K95 RGB Cherry MX Brown Monitor: Samsung S24C570L 1080p 23.6" + AOC AGON 240Hz 1080p Sound: HyperX Cloud Headset Black/Red + Logitech Z213 Speakers 2.1

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I had a quick check with ASRock's website and it says it cant take any RAM thats higher than the stated maximums. At worst the RAM might not work, But the chances are it would but the motherboard would downclock the RAM to 1333mhz. For the safest options look in the Motherboard manual and a QVL of RAM.

Intel I9-9900k (5Ghz) | Asus ROG Maximus XI Formula | Corsair Vengeance 16GB DDR4-4133mhz | ASUS ROG Strix 2080Ti | EVGA Supernova G2 1050w 80+Gold | Samsung 950 Pro M.2 (512GB) + (1TB) | Full EK custom water loop |IN-WIN S-Frame (No. 263/500)

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Posted
  • Solution

The memory controller is on the CPU, and it will support up to 1600mhz officially, this is for all haswell CPUs, which can "OC" the memory controller in order for it to work for example at 2133mhz.

However you also need motherboard support, the Asrock Pro4 H87 supports up to 1600mhz, get that.

 

There is no benefit on regular use and gaming for higher speed memory unless you are using integrated graphics.

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The board has XMP so technically it should support higher speeds. But with that chipset and CPU I don't see any need to run them higher. The advantages you get are minimal.

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Thanks for all the explanations!

 

Seems like I didn't quite inform myself before I bought that stuff :-/

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