RAM Compatibility - Will this ever work?

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dazlerd

Prominent
Oct 18, 2017
17
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510
Hi

My setup is as follows:
MSI Z97M Gaming motherboard
i7 4790K
Gigabyte 750 Ti 2Gb graphics card
8GB Kingston Hyper Beast native speed1666Mhz. Slots 1 and 3. http://www.pcnation.co.uk/product.aspx?id=7020

This set up has been working fine for a couple of years with no crashes or BSOD.

I wanted to add another 8Gb of RAM. The Kingston Beast memory I have is no longer sold so i bought the following:

https://www.amazon.co.uk/gp/product/B00FMRV7OY/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

8GB (2x4GB) Corsair DDR3 Vengeance Pro Series Red, PC3-19200 (2400), Non-ECC Unbuffered, CAS 11-13-13-31, XMP, 1.65V

and installed in slots 2 and 4.

However since adding the Corsair memory the system has been giving me BSOD, locking up, taking ages and ages to start windows, not starting windows etc.

I have used XMP profile 1 2400Mhz which has been better than Profile 2 2100Mhz but still suffers from freeze and BSOD.

I noticed that with no XMP the Corsair is 1333MHz and the Kingston is 1666MHz.

Have I wasted £65 or is there a way to get the RAM to play nicely together ?

Thanks




 
Solution
C
Adding extra memory, regardless of make and model, is not guaranteed to work. The old memory has never been tested with the new memory so no guarantee it will be compatible. You are free to do your own compatibility testing.

XMP profiles are for the memory in the form in which it was sold not for multiple combinations.

Workarounds for getting extra memory to work include:
Lower memory clock frequency
Relax DRAM timings
Increase DRAM voltage
Lower CPU multiplier
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Calvin7

Titan
Feb 19, 2013
11,725
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76,490
Adding extra memory, regardless of make and model, is not guaranteed to work. The old memory has never been tested with the new memory so no guarantee it will be compatible. You are free to do your own compatibility testing.

XMP profiles are for the memory in the form in which it was sold not for multiple combinations.

Workarounds for getting extra memory to work include:
Lower memory clock frequency
Relax DRAM timings
Increase DRAM voltage
Lower CPU multiplier
 
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