NVME PCIE SSDs Solid State Drives

I found out that the System76 Lemur Pro, Purism Librem 14, X1Extreme, Gen 1 and Gen 2 Lenovo E14 do support 2 SSDs So from these 4, 2 are

2 SSDs are keyed at both M and B positions, so they can fit in SATA slots and PCIe , even if they might not work in the latter NVMe SSDs are keyed only

nvme m2 slot motherboard Distinguished Thanks for your thoughts I'll look at those as well Asus g752 - pretty sure only supports 1 NVMe and 1 SSDHDD

nvme pcie 40 in 30 slot Hi everyone, is there any part for a Dual NVme m2 SSD in ONE slot? I mean i've upgraded my laptop ssd from 128gb to 1tb +2tb sshd drive