Hello all.
For some context, I recently built a new PC. The (relevant) specs include an i9 13900k and 64gb of G.Skill DDR5 7200. I'm running on a Gigabyte Z790 Aorus Master motherboard, which is specced at handling up to DDR5-8000. The memory is comprised of four sticks total, two kits of two 16gb sticks. I'm aware it's not the world's best practice to combine two kits of memory, but they are bought together and are listed as being manufactured in the same month of the same year, both Feb '23.
Anyways, when I initially built the system, I was testing with just one of the 32gb kits. I was able to simply enable XMP and get the 7200MT speed advertised with no obvious errors. I didn't run a full memtest on the 32gb, however, after adding the second kit shortly after and attempting to load XMP on the full 64gb, it was a nightmare. Running a memtest was listing 300+ errors within 30 minutes. Multiple BSODs a day. Boot failures. Etc. By the way, the prebuilt XMP profile is 7200MT with 34-45-45-115 timings at 1.4v.
I reverted to the SPD profile and attempted to run a memtest again. It was listing no errors within an hour or so. I should have let it run fully, so I am going to run a full memtest on the SPD profile tonight to gather if there are still errors. If there are, it'll answer my question for sure on whether or not to RMA.
After this, I spent some time in the BIOS making a new custom XMP profile. Luckily it was significantly easier than my past experiences, thanks to Gigabyte. The gist of it is 6400MT with 36-40-40-80 timings at 1.35v. I can post the full settings if necessary. It seemed fairly stable on the desktop and wasn't causing any obvious problems in the couple hours I spent on it. I decided to run a memtest this morning and leave it going while I am at work. I just got back the results and it's listing a failure with 1 error in 4 passes.
My current settings are not even close to what was advertised. I'm also aware that the i9 13900k only officially supports up to 5600MT. I think technically, the overall performance outshines the default XMP profile loaded on the memory despite the lower frequency, but I still cannot run stable at the advertised speeds. Even with a custom profile about halfway between the SPD profile and the default XMP profile, I am still receiving an error on a full memtest. Is it worth it to RMA? Is there anything I can try to do differently? I do know my way around memory overclocking but I'm far from experienced, so any help or suggestions are appreciated.
For some context, I recently built a new PC. The (relevant) specs include an i9 13900k and 64gb of G.Skill DDR5 7200. I'm running on a Gigabyte Z790 Aorus Master motherboard, which is specced at handling up to DDR5-8000. The memory is comprised of four sticks total, two kits of two 16gb sticks. I'm aware it's not the world's best practice to combine two kits of memory, but they are bought together and are listed as being manufactured in the same month of the same year, both Feb '23.
Anyways, when I initially built the system, I was testing with just one of the 32gb kits. I was able to simply enable XMP and get the 7200MT speed advertised with no obvious errors. I didn't run a full memtest on the 32gb, however, after adding the second kit shortly after and attempting to load XMP on the full 64gb, it was a nightmare. Running a memtest was listing 300+ errors within 30 minutes. Multiple BSODs a day. Boot failures. Etc. By the way, the prebuilt XMP profile is 7200MT with 34-45-45-115 timings at 1.4v.
I reverted to the SPD profile and attempted to run a memtest again. It was listing no errors within an hour or so. I should have let it run fully, so I am going to run a full memtest on the SPD profile tonight to gather if there are still errors. If there are, it'll answer my question for sure on whether or not to RMA.
After this, I spent some time in the BIOS making a new custom XMP profile. Luckily it was significantly easier than my past experiences, thanks to Gigabyte. The gist of it is 6400MT with 36-40-40-80 timings at 1.35v. I can post the full settings if necessary. It seemed fairly stable on the desktop and wasn't causing any obvious problems in the couple hours I spent on it. I decided to run a memtest this morning and leave it going while I am at work. I just got back the results and it's listing a failure with 1 error in 4 passes.
My current settings are not even close to what was advertised. I'm also aware that the i9 13900k only officially supports up to 5600MT. I think technically, the overall performance outshines the default XMP profile loaded on the memory despite the lower frequency, but I still cannot run stable at the advertised speeds. Even with a custom profile about halfway between the SPD profile and the default XMP profile, I am still receiving an error on a full memtest. Is it worth it to RMA? Is there anything I can try to do differently? I do know my way around memory overclocking but I'm far from experienced, so any help or suggestions are appreciated.