Question SOLVED - 8gb hardware reserved + Corsair 3000 stuck at 2133 MHz

Sep 24, 2023
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Hey, I was thinking of upgrading recently but thought I'd run some benchmark tests and found an issue.

I'm running a normal setup with 2 x 8GB Corsair Vengeance LPX DDR4 3000 C15 in a Gigabyte B450 AORUS PRO board.
CPU is Ryzen 5, GPU is RX 580

Full build: https://www.userbenchmark.com/UserRun/64397960

I noticed during the test that RAM is performing terribly. They are in the correct 2 and 4 slots.

For some reason, the speed is 2133Mhz and 8GB is set as hardware reserved. Meaning memory is basically running 100% during games.

CPU-Z states DRAM frequency as 1064.1MHz.

View: https://imgur.com/z5ngFu1

View: https://imgur.com/a/24Zy2aL

XMP is enabled in BIOS, it shows 1.35V and 3000 MHz but does not seem to be put in practice or is being limited by something.
Any ideas would be really appreciated.