Is RMA replacing it with a defective memory module?

[ZiXi Wang]

At the end of 23 years, I bought a pair of memory modules, the specific model is F5-6000J3636F32GX2-TZ5RW
One was damaged on May 18, 24, and a pair was replaced after the sale. It came back in mid-June, and the operation was normal at that time.

On November 12, 24, it was found that it could not operate at 6000MT/s. I changed a pair after the sale and came back on December 5, which ran normally.

After 18 days!!

On December 23, it was found that the system could not run 6000 MT/s, but only 4800MT/s.

This is definitely defective.

The new memory used for replacement has only been 18 days.

Do I have to go through the RMA process again, wait another month, and pay the postage again?

[emissary42]

Oh geez, that sounds really wild!

If the modules keep failing that fast, there might be an issue with the motherboard? It does supply the basic voltages to the memory (PMIC) after all. At least that would be a possible explanation.

On the other hand, you shouldn't have to pay postage again. Contact tech support and explain it to them, they can authorize a free shipping label for another RMA.

[ZiXi Wang]

I don't know what the reason is. At present, I can't do enough to judge that the motherboard has failed, but I tried three different BIOS versions, and they couldn't run at 6000MT/s. In addition, I used Intel software to test my CPU, no problems were found. So I don't know what to do.

Every time the memory I replaced was installed on my computer, it worked normally, but I don't know why it didn't work stably later.

[emissary42]

Basically if something is electrically way out of spec, it can quickly lead to consequential damages. A memory module contains lots of very small and sensitive components that have limited tolerances. A defective motherboard could end up (drastically) exceeding those, which eventually - or rather quickly in this case - could lead to the module itself failing. That is just an attempt of an explanation, though. It is difficult to confirm that without access to the hardware and specialized measuring equipment.

That all the kits were working at first, actually rules out cases of the memory arriving in a broken state. You originally got working memory, even though it did not last long in your system... for whatever reason.

[ZiXi Wang]

OK, thank you for your reply, and I will try to verify the problem. Maybe I'll ask Colorful next, see if they have any leads.

[ZiXi Wang]

Today, I went to Colorful's after-sales service and brought this pair of memories. They told me that there is no problem with the motherboard itself. They don't know why xmp can't be turned on

[ZiXi Wang]

But the problem is solved. I don't know what happened on the memory. It now needs a higher voltage (1. 45V) to work at 6000MT/s