johnny_rocket

Tried this, as soon as I get up to 3400MHz not posting. It seems 3333MHz is the limit. Is there anything else I can try?

Weird thing is I've seen plenty of reviews with CPU speed comparisons with 3200 vs 3600 memory however, they were using a different motherboard but same CPU i7-9700K.

I was able to run 3200MHz pretty stable and pushed it to see what else I can get before post fails and 3333MHz is the limit. As for the memory speed wanted to go with the fastest option for my i7-9700K cpu.

Having some issues posting with 32GB (2 - 16GB sticks) 3600MHz ram and tried the following below to no avail: - Running from the A2/B2 slots as recommended in the manual - Tried XMP I and II using the respective settings on both with no success. - Set the ram overclock to manual and input the timings no change. - Updated to the latest bios and turned the CPU overclock off and back on. - Tried changing the voltage to 1.4 for the DRAM. - Changed overclock to auto and dram frequency to auto this just booted the ram to 2400MHz - Changed dram frequency back to 3600MHz and doesn't post and goes through the reboot loop. - Tried loading one stick at a time in each slot and was only able to lead 1 stick of 16GB using 3600MHz on XMP II before blue screening in Windows, XMP I did not post. Added another stick using XMP II and again would not post. Hardware specs: i7-9700K / ASUS Z-390E HyperX Predator Black 32GB kit 3600MHz DDR4 CL17 DIMM XMP Desktop PC Memory (HX436C17PB3K2/32) (on the QVL list for this motherboard) Samung SSD EVO 850 It seems the max dram frequency speed I can set it to without blowing up is 3333MHz. Is there a setting that needs to be set to run ram over 3333MHz stable? Looser DRAM timings? Also tried - VCCIO/VCCSA to 1.25 and 1.3 CPU overclock to 5.0 across all cores CPU voltage to 1.35 DRAM voltage to 1.4 DRAM frequency to 3600MHz Still won't post using 3600MHz. Currently out of options with things to try, any suggestions or a guide from someone that has the same CPU/board and ram speed that has this working would be appreciated. Thanks.

That's exactly what I'm going to do, ran a test on all ram slot and they all work, so it must be the mismatched ram. Will update this thread once i get the kit in. Thanks for the hunch!

Yeah it's weird, have no idea what the issue is. The defective stick was sent back and replaced with the June 2017 stick. I'm guessing you're probably right it's most likely a problem with the set.

Yes sir, it's the exact same. The only difference is the dates marked on the ram. The three working sticks are marked as March 2017 and the new stick is from June 2017, aside from that, it's the same. (speed, capacity and latency)

I am using: (4 sticks for quad channel) 8GB G.Skill Ripjaws 4 DDR4 2400MHz PC4-19200 The problem is one of the sticks went bad, I went ahead and replaced this with the exact same type, but I noticed when testing the ram when using either manual settings based on the ram specs or XMP, it no longer detects the 3 older sticks I have, only the new stick is detected? I'm at a loss to why this is, and when I set my bios settings to auto (Asus optimized settings) it properly detects 32 gigs of ram. Prior, this was working fine using XMP and setting the timings manually. When removing the new stick I am able to use the manual timings with the three previous working sticks showing up fine in bios. Any hints or suggestions on why this is or how to fix this? Motherboard: Asus X99 Deluxe II CPU: i7-6850K

I would post on the BF1 PC forums and the SLI Nvidia forums with this same post to get some possible solutions over there. Do do you get the same results with vsync on?

You're not bottle-necked. Is your monitor a GSYNC monitor? If so, there is an issue atm with SLI/GSYNC monitors. Some have claimed that disabling this increasing the monitor usage. Google this for more info and you'll see. Also, I was running a i7-7700K with dual Titan XP SLIs with the same issue. My GPU usage on BF1 would hover from the 50%-70%. The game needs better SLI support and I also have a GSYNC monitor 1440p 144mhz, disabling it, I saw an increase of GPU usage to around 60%-80%. There quite a few issues with BF1 and SLI: BF1 forums, do a quick a search and see the SLI issues: https://forums.battlefield.com/en-us/categories/battlefield-1-pc-community Nvidia forum with GSYNC and SLI: https://forums.geforce.com/default/topic/987529/sli/sli-and-gsync-do-gsync-works-while-sli-is-on-/