Are those two ram sticks compatible? (HX424C15FB/8 and HX424C15FB2/8) kernel-power error

miguelcarvalho000

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Sep 15, 2017
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Hello, I bought a PC with 8g of ram (HX424C15FB/8) and later i upgrade to 16g and i bought this one HXC15F424B2/8. Sometimes i get a kernel-power error and i already search and test some things and i think the ram is the problem, so I i want to know if those two ram sticks are compatible?

http://www.kingston.com/datasheets/hx424c15fb_8.pdf
http://www.kingston.com/datasheets/HX424C15FB2_8.pdf

PC specs :
-msi bazooka b250m
-MSI GeForce GTX 1080 GAMING X+
-Intel Core i7-7700
-Seasonic S12II 620W
 
Solution
It appears that the memory modules (incompatibility) are the cause of the issue.

This "Kernel Power" error didn't occur until the second memory module was installed, correct? If so, then it seems logical the additional of the other memory module (with different characteristics) started the issue.
It's for this exact reason why we suggest buying a ram kit when going for a ram upgrade. Mixing and matching two different sticks of ram or even kits tend to give you errors or an unstable system. The glaring issue is that one ram stick is single rank while the other is dual rank. You should have two identical sticks of ram but then again that isn't a guarantee outside of a ram kit(which are binned from the factory to work in tandem).
 


can you confirm what scout_03 said?
 

can you send me the link of the list please?
 
Manufacturer tested compatible memory list is here.

Module HX424C15FB/8 is listed, but module HX424C15FB2/8 is not listed. However, an unlisted module doesn't necessarily mean that it is not compatible, because that particular module may not have been tested (yet).

As mentioned above, mixing individual modules is not really a good idea as there is a risk of inter-module incompatibility. Ideally all memory modules used should come from the same (dual channel) kit, as the modules have been tested for compatibility by the manufacturer.

You could try raising DRAM Voltage in BIOS by 0.05 V (but don't exceed 1.35 V), that might help to make the two individual to work together compatibly. But in this case it is less likely to work, particularly as one module is single rank, and the other module is dual rank. Mixing single and dual rank memory modules can cause problems.

Options -

1) Ideally get a 2 x 8 GB dual channel kit to replace the existing memory. The two modules have been tested for and guaranteed to be compatible.

2) Get another module (HX424C15FB/8) to try with the existing HX424C15FB/8 module. But note that even same model individual modules may not necessarily work together because of variations in module characteristics. So be prepared to try some other HX424C15FB/8 modules until a compatible module combination is found.
 


but before i buy another module i just want to make sure that the kernel power error is for sure because of the mixing rams
 
It appears that the memory modules (incompatibility) are the cause of the issue.

This "Kernel Power" error didn't occur until the second memory module was installed, correct? If so, then it seems logical the additional of the other memory module (with different characteristics) started the issue.
 
Solution
Check wether it's running on same 2133 or 2400 MHz. I suppose both slots should run on same frequency and do not increase the frequency beyond CPUs stability. Must also not overclock CPU unless checked or guided by an expert and also the voltage must be 1.2