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SirJACKO

Ram not running at right speed

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Posted · Original PosterOP

Ram is not running at 3000 mhz with emp enabled... it use to be fine 

Nzxt software use to show 3000 now it shows 1500 

 

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1 minute ago, SirJACKO said:

Nzxt software use to show 3000 now it shows 1500

I think it says that you are at 1500mhz but thanks to dual channel you are at double that so 3000mhz. Which is what you are suppose to get.

I think you are fine but you can double check with CPU-Z using the memory tabs. It should say 1500mhz dual channel. If so, you are fine !

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13 minutes ago, SirJACKO said:

Ram is not running at 3000 mhz with emp enabled... it use to be fine 

Nzxt software use to show 3000 now it shows 1500

1500Mhz is effective speed but since its Double Data Rate RAM the true speed is 1500 x 2 or 3000Mhz;

 

9 minutes ago, Niklos said:

I think it says that you are at 1500mhz but thanks to dual channel you are at double that so 3000mhz. Which is what you are suppose to get.

I think you are fine but you can double check with CPU-Z using the memory tabs. It should say 1500mhz dual channel. If so, you are fine !

Not at all, dual channel increases bus bandwidth, not RAM frequency. A single stick of 3000Mhz RAM will still show an effective speed of 1500Mhz and will still operate just fine at 3000Mhz.


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Oh ok. So I had the right soft to check but not the right explanation ! Good to know ! Thanks.

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Posted · Original PosterOP

But why did it use to show 3000mhz and my girlfriends pc still shows 3000 and also bios shows 2133

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9 minutes ago, Master Disaster said:
15 minutes ago, Niklos said:

I think it says that you are at 1500mhz but thanks to dual channel you are at double that so 3000mhz. Which is what you are suppose to get.

I think you are fine but you can double check with CPU-Z using the memory tabs. It should say 1500mhz dual channel. If so, you are fine !

 

1500mhz is the actual speed the module runs at.

DDR stands for Double Data Rate, meaning it's two bits per cycle thus the effective speed is doubled.

Has nothing to do with dual channel.


-アパゾ

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1 minute ago, SirJACKO said:

But why did it use to show 3000mhz and my girlfriends pc still shows 3000 and also bios shows 2133

1500/3000mhz is when XMP is enabled. Without XMP most modern Intel chips only allow up to 1066/2133.


-アパゾ

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Posted · Original PosterOP
2 minutes ago, APasz said:

1500mhz is the actual speed the module runs at.

DDR stands for Double Data Rate, meaning it's two bits per cycle thus the effective speed is doubled.

Has nothing to do with dual channel.

But why is my bios saying 2133mhz

It all use to say 3000 why all of a sudden is has changed

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Posted · Original PosterOP
1 minute ago, APasz said:

1500/3000mhz is when XMP is enabled. Without XMP most modern Intel chips only allow up to 1066/2133.

In the picture i can see xmp is enabled still shows 2133

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Just now, APasz said:

1500/3000mhz is when XMP is enabled. Without XMP most modern Intel chips only allow up to 1066/2133.

2133Mhz is actually the JEDEC standard for DDR4 RAM. Its basically the speed it will run at by default if the user doesn't overlock it.


Main Rig:-

Ryzen 7 3800X | Asus ROG Strix X570-F Gaming | 16GB Team Group Dark Pro 3600Mhz | Corsair MP600 1TB PCIe Gen 4 | Sapphire 5700 XT Pulse | Corsair H115i Platinum | WD Black 1TB | WD Green 4TB | EVGA SuperNOVA G3 650W | Asus TUF GT501 | Samsung C27HG70 1440p 144hz HDR FreeSync 2 | Windows 10 Pro X64 |

 

Server:-

Intel NUC running Server 2019 + Synology DSM218+ with 2 x 4TB Toshiba NAS Ready HDDs (RAID0)

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2 minutes ago, SirJACKO said:

In the picture i can see xmp is enabled still shows 2133

Because all DDR4 RAM is 2133 by default, its rated speed is technically an overclock. Disable XMP and you'll notice that the readout in Windows will change to 1066.


Main Rig:-

Ryzen 7 3800X | Asus ROG Strix X570-F Gaming | 16GB Team Group Dark Pro 3600Mhz | Corsair MP600 1TB PCIe Gen 4 | Sapphire 5700 XT Pulse | Corsair H115i Platinum | WD Black 1TB | WD Green 4TB | EVGA SuperNOVA G3 650W | Asus TUF GT501 | Samsung C27HG70 1440p 144hz HDR FreeSync 2 | Windows 10 Pro X64 |

 

Server:-

Intel NUC running Server 2019 + Synology DSM218+ with 2 x 4TB Toshiba NAS Ready HDDs (RAID0)

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