I harvested a PCIe Gen3 x2 NVMe 1.3 SSD from my older laptop, the problem is that its length is short. I've held it in place with some tape, it should hold.
Corsair Force MP300 480 GB M.2 PCIe Gen. 3 x2 NVMe-SSD (1,600 MB/s'ye kadar) : Amazon.com.tr: Bilgisayar
Amazon.com: PCIe Gen3 x2 USB 3.2/3.1 Card ASM3142- PCI Express to 4-Port Type C HUB Internal Expansion Card Controller Adapter PCI Express Card Desktop PC Support Multiple INs : Electronics
What is the difference between PCIe Gen 3 X2 and X4 SSDs? Can these two SSDs be used for laptops that support the PCIe interface? - Quora
USB 3.2 Gen 2x1 PCIe (Gen3) (x2) board with 2x USB-C, 3.0A power (Asmedia) | USB products | Categories | Exsys Online Shop EN
What is the difference between PCIe Gen 3 X2 and X4 SSDs? Can these two SSDs be used for laptops that support the PCIe interface? - Quora