How to use PCIE x4 and x8?? (Storage probably)

[Pakamon]

Hello,

 

I just bought this https://forums.redflagdeals.com/costco-alienware-aurora-r8-gaming-pc-1389-99-intel-core-i5-9600k-1tb-hdd-256gb-ssd-16gb-ram-geforce-rtx-2070-2315134/

And there are still a two PCIe x4 and one PCIe x8 to use as I've used both the free 2.5" for 2x 1TB SSD's

 

Now I'm wondering if I could use the PCIE's for more storage? From my research you can use an adapter for 2x NVME. I also read that it would cap the speed so if I were to use it that way I should be going for the lowest speed NVME.

 

Help me out :) Thanks!

[brob]

Without details on how the motherboard allocates PCIe lanes to the expansion slots an answer isn't really possible. 

[Pakamon]

5 hours ago, brob said:

Without details on how the motherboard allocates PCIe lanes to the expansion slots an answer isn't really possible. 

Oh and how shall I find this information? Or what can you tell me about it  As in it might not be possible to run adapters for NVME?

Thanks!

[brob]

The motherboard user manual would be a good source as would the BIOS.