Slow M2 transfer mode on ASRock B650M Pro RS

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   Hi everybody,
I'm running an 7800x3D on the B650M Pro RS board. My problem is the wrong or slow transfer mode of my second M2 SSD in the M.2_2 slot. My primary SSD is running fine in M.2_1 with PCIe 4.0 x4 transfer mode. But my second one is only running in PCIe 3.0 x1 mode in M.2_2. But it supports PCIe 3.0 x4.

I've tested it with two different M2 SSDs and the problem is related to the slot. I another PC both SSDs are running at their full transfer mode.

Any ideas how to fix this problem?

I've already tested the 1.28 and 1.30.AS05 BIOS versions.

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Aldjinn Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 14 Nov 2023 Location: Germany Status: Offline Points: 20	Post Options Post Reply Quote Aldjinn Report Post Thanks(0) Quote Reply Topic: Slow M2 transfer mode on ASRock B650M Pro RS Posted: 14 Nov 2023 at 11:35pm
	Hi everybody, I'm running an 7800x3D on the B650M Pro RS board. My problem is the wrong or slow transfer mode of my second M2 SSD in the M.2_2 slot. My primary SSD is running fine in M.2_1 with PCIe 4.0 x4 transfer mode. But my second one is only running in PCIe 3.0 x1 mode in M.2_2. But it supports PCIe 3.0 x4. I've tested it with two different M2 SSDs and the problem is related to the slot. I another PC both SSDs are running at their full transfer mode. Any ideas how to fix this problem? I've already tested the 1.28 and 1.30.AS05 BIOS versions.