Question Having second thoughts about RAM bought for Ryzen 5 1600 / MSi b350m pro-vdh.

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So I have recently bought new RAM for my PC, to replace the 2400mhz that I suspect was causing game crashes, it passed all the windows mem diagnostics and Memtest64, but the crash dumps from different games suggested RAM related issues, so I bought a new pair.

I would like to also say this PC won't be upgraded again, I love it as it is and it does everything I want it to do, but to actually step up the game I would have to buy everything new, so it will go to a relative as some point, so I wanted a stable, balanced build to last.

My logic was the MSi B350M pro-vdh MB I have only supports RAM up to 2400mhz, 2666+ and up is marked as overclock, heck in the BIOS you can select RAM frequency as high as 4100, but not sure just how doable that would be.
Ryzen 5 1600 seems to be built around 2666, although users state that faster is better.

So I bought AMD Radeon R7 2666hz. It works absolutely fine, although it runs at 1.30-1.36V, and not the stated 1.2V, is this normal? The old pair of 2400mhz ran at 1.2V. Is this what this MB have to do to get it working stable at 2666hz?

Also, I set it to OC at 3000mhz and it works, but the timings, which I keep at Auto, go up by about 2-3 units, so if at 2666mhz native speed to this pair of RAM, they are 1-16-18-18-18-35, at 3000mhz they are like 1-18-20-20 etc So I brought it back down to 2666mhz.

So you see my dilemma here, was I too careful not to overstress the MB and keep things cool and friendly and stable or should I have gone for 3200mhz and see what happens?

My PC looks like this now:

MSi B350M pro-vdh.
Ryzen 5 1600 + AMD Radeon R7 2666mhz 16Gb (8x2)
Gigabyte GTX 1060 6Gb
A 550W PSU
Creative G6 +ATH- AVC500
HyperX Alloy FPS + Deathadder V2.
MAG241CR
 
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So I have recently bought new RAM for my PC, to replace the 2400mhz that I suspect was causing game crashes, it passed all the windows mem diagnostics and Memtest64, but the crash dumps from different games suggested RAM related issues, so I bought a new pair.

I would like to also say this PC won't be upgraded again, I love it as it is and it does everything I want it to do, but to actually step up the game I would have to buy everything new, so it will go to a relative as some point, so I wanted a stable, balanced build to last.

My logic was the MSi B350M pro-vdh MB I have only supports RAM up to 2400mhz, 2666+ and up is marked as overclock, heck in the BIOS you can select RAM frequency as high as 4100, but not sure just how doable that would be.
Ryzen 5 1600 seems to be built around 2666, although users state that faster is better.

So I bought AMD Radeon R7 2666hz. It works absolutely fine, although it runs at 1.30-1.36V, and not the stated 1.2V, is this normal? The old pair of 2400mhz ran at 1.2V. Is this what this MB have to do to get it working stable at 2666hz?

Also, I set it to OC at 3000mhz and it works, but the timings, which I keep at Auto, go up by about 2-3 units, so if at 2666mhz native speed to this pair of RAM, they are 1-16-18-18-18-35, at 3000mhz they are like 1-18-20-20 etc So I brought it back down to 2666mhz.

So you see my dilemma here, was I too careful not to overstress the MB and keep things cool and friendly and stable or should I have gone for 3200mhz and see what happens?

My PC looks like this now:

MSi B350M pro-vdh.
Ryzen 5 1600 + AMD Radeon R7 2666mhz 16Gb (8x2)
Gigabyte GTX 1060 6Gb
A 550W PSU
Creative G6 +ATH- AVC500
HyperX Alloy FPS + Deathadder V2.
MAG241CR
Before starting, I think you have some misunderstanding with those numbers, first number is CAS latency written as Cl (CL) not one so it would go as 16-18-18-18-35 or 18-20-20 etc .
Cl is one of parameters for memory performance, lower is better.

DDR4 uses 1.2v only for 2133 to 2400MHz, 1.35 or more is normal for higher frequencies, nothing can be damaged because of it, DDR4 is capable of much higher voltage. It doesn't over stress anything.

1st gen Ryzen has 2667 MHz internal memory controller, all above that can be considered an IMC overclock.

Most 300 series chipsets also have somewhat crippled memory topography but under 3200MHz it should be easy enough.

Keep in mind that Cl mostly goes up with RAM frequency and may not make any difference between let's say 2400 and 2666MHz RAM performance because of it.

This https://www.techpowerup.com/download/ryzen-dram-calculator/ can also help you OC RAM properly if you wish so.
One more thing, do you have old (original) 1600 or 1600AF which is better ?
 
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