I bought two NVME of 4TB each that I plugged on a PCIexpress extension card on my motherboard.
Let me name the two newly bought NVMEs:
(see below for more details)
I can NEVER see BOTH NVME1 and NVME2 working at the same time.
I can ONLY see NVME1 when it's plugged on port1 of the PCIe extension card
or I can ONLY see NVME2 when it's plugged on port1 of the PCIe extension card
Below I try to clarify the issue, but it might just be confusing :')
In other other words, any NVME plugged anywhere else than on port1 of the extension card will not be seen/recognized by the computer.
For information there are 4 ports on the PCIe extension card -> I tried ALL permutations of ports and NVME -> None of them work, except when any NVME is plugged on Port1 -> then it'll be seen by the computer.
It does not matter whether a NVME is plugged on port 2,3 or 4 -> as long as there's something on port1, only stuff on port1 will be seen.
What I tried to do
I tried all possible permutations of NVME1 and NVME2 on the extension card -> only the nvme plugged on port1 is visible/recognized by the computer
I removed ALL other PCIexpress extension cards. There were two of them: a WiFi card and a USB3 extension card -> removing them did not improve the detection of the additional NVME
In the BIOS I tried the PCIe express configuration from Auto to 4x4, etc. -> the result is always the same, only one NVME is seen
All the above attempts have been checked on both Windows 10 Pro and Linux (Linux Mint 5.15.0-82-generic)
Plugged on the motherboard
On the motherboard on the dedicated port there is a 1TB NVME, let's call it NVME0
There is a GeForce RTX3080Ti in the "main" PCIexpress slot
And NO other PCIexpress extension card aside from the one with the NVMEs installed on it.
My computer is equipped with this motherboard: Gibabyte x570 UD V1.0: https://www.gigabyte.com/fr/Motherboard/X570-UD-rev-10#kf
The BIOS on the motherboard is up to date with the lastest update F37 from 26/12/2022 (or 12/26/2022 if you're writing your dates wrong :D)
I bought TWO 4TB NVME here: https://www.amazon.de/-/en/dp/B0B25M8FXX?psc=1&ref=ppx_yo2ov_dt_b_product_details
The PCIexpress extension card
The card I plug the NVMEs on was bought here: https://www.amazon.fr/dp/B0BV7GBXMP?psc=1&ref=ppx_yo2ov_dt_b_product_details
I am a little afraid that my motherboard X570UD rev 1.0 cannot be able to accept that much PCIe peripherals/NVME?
Could that be a chipset issue?
Have you noticed anything obvious that I might have missed?
Do you think the motherboard is incompatible with what I am trying to do?
Thank you in advance for your help