Issues with RAM
Issues with RAM
Your system handles 64 gigabytes of DDR5 RAM smoothly at 4800 MHz, but at 7200 MHz it starts to fail—random blue screens or crashes appear. Memory tests with MemTest86 showed no issues at lower speeds, yet errors spiked above 80,000 when running at full speed. Your motherboard supports up to 7600 MHz, so that should be okay. The BIOS lists 65.5536 GB of RAM, which is higher than your 64 GB usage, possibly affecting stability. Despite the discrepancy, this might contribute to the problem. The recommended profile for 7200 MHz is already in use, but it seems to be causing instability.
The issue here is clear. A 4x16GB configuration runs much slower than 2x16GB or even 2x32GB. It's remarkable that 7200MT/s still starts up. I've only heard from two people who managed stable 4x16GB performance after weeks of work, and even then their testing results aren't fully reliable. Going past 6000MT/s will likely become extremely difficult to maintain with this setup. They seem to treat GB as a binary unit—1GB equals 1024MB, so 64GB is 65,536MB. It looks like the BIOS is using a decimal system for GB measurements. The claimed 7600MT/s speeds are only achievable with 2x16GB, and even those don't work consistently across all processors.
The CPU RAM speed is listed at 5600 MT/s. Higher speeds are overclocking and not assured. Four dimms perform significantly slower than two. You could experiment with RAM speed when XMP is active. Begin with 5200 and increase by another 200 once stability is achieved. Why didn’t you opt for a 2x32GB setup? It’s much simpler to run at 7200!
I bought four 16GB 7200 DDR5 RAM sticks because they were on sale when I got them. I always wanted a machine with more than 16 gigabytes of memory, and I thought using all four slots would be a good way to maximize performance. Just note that the computer I had before was a Helios 300 Predator gaming laptop that I had upgraded.
Consider the balance between performance and stability. Watching videos, running multiple tabs, and gaming on one monitor suggests you need enough RAM to handle background tasks without lag. A 64 GB option with slightly slower speeds might be more reliable for your current usage.
I’ll check how fast it runs with 48 gigabytes and see if there’s any automatic adjustment. For speed changes, no special profile is needed unless settings are changed.