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derekd04
Journeyman III

CPU/RAM Compatibility Question - Ryzen 7 5800 x - GSkill DDR4 4000 - F4-4000C15D CL15-16-16-36 1.5v

Will this RAM work with a Ryzen 7 5800x?

GSkill DDR4 4000 
F4-4000C15D-16GVK
CL15-16-16-36 1.5v

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4 Replies
fyrel
Miniboss

Re: CPU/RAM Compatibility Question - Ryzen 7 5800 x - GSkill DDR4 4000 - F4-4000C15D CL15-16-16-36 1

It should work but I have seen reports of problems getting the infinity fabric clock to 2000MHz  on the new chips.

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elstaci
MVP

Re: CPU/RAM Compatibility Question - Ryzen 7 5800 x - GSkill DDR4 4000 - F4-4000C15D CL15-16-16-36 1

As soon as you post your Computer specs especially Make & Model of your Motherboard I can check to see if your RAM is listed as being compatible and at what speeds (OC).

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goodplay
MVP

Re: CPU/RAM Compatibility Question - Ryzen 7 5800 x - GSkill DDR4 4000 - F4-4000C15D CL15-16-16-36 1

GSkill QVL only lists Intel boards, i would post a query with their support/forum as well as checking the mobo QVL.

Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3200c16d kit, Aorus nvme gen4 1tb, Nitro+RX6900XT,
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elstaci
MVP

Re: CPU/RAM Compatibility Question - Ryzen 7 5800 x - GSkill DDR4 4000 - F4-4000C15D CL15-16-16-36 1

Goodplay it does seem to be compatible with Intel Motherboards and not Ryzen motherboards.

Also went to G-Skill RAM Calculator and the highest Ryzen Motherboard RAM speed for Ryzen was 3800 Mhz .

While Intel Motherboards had RAM that was 4000 Mhz and higher being compatible. 

Don't know if you use that RAM if it will automatically slow down to the fastest speed the motherboard will support or not.

I would follow Goodplay suggestion and open a ticket with G-Skill or your check your Motherboard's RAM QVL list for your processor.

Note: As an example only,  I picked Asus ROG Crosshair VIII Hero Motherboard and took at look at its QVL list for RAM. It does list 4000 Mhz RAM modules as being compatible:

Screenshot 2020-11-14 140516.png

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