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.
5 Slot M.2 B-key SATA Base PCI-e 3.0 x2 Bandwidth Controller Card Require x16 Slot
AS2280P2 M.2 PCIe Gen3 x2 SSD | Apacer | 宇瞻科技
Jettrim - A little sneak preview of how the Gen3 X2 is coming out. What colors do you think it is? @hayniedesigns #jettrim #kawasaki #gen3X2 #X3-1500 #kawasakisxr1500 #jettrimbuilt #hayniedesigns #satoengineering #speedmagic #x2 #