The PINEBOOK Pro M.2/NGFF NVMe SSD Interface Adapter

[Arwen]

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            Great   Thank  you very Much...  !

           NOW,   We just need to make it fit inside the PBP
                            We do have the adapter,  just got to get it away from the touch pad

A small NVMe SSD, M.2 2242 (42mm) will do the trick?

I was thinking the same thing, shorter NVMe module. However, some shorter ones are only 2 PCIe lanes, because they are designed for the different keyed slots. (Those slots support SATA, USB & 2 x PCIe.) Will have to do some research.

For example, a quick check finds this on Amazon;

Lexar NM520 M.2 2242 512GB NVMe Solid-State Drive (LNM520-512RBNA)

The NM520 is supported by the PCIe Gen3x2 NVMe
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Edit: Further checks, found this;
Toshiba Announces Fourth-Generation BGA SSD with 96L 3D NAND - BG4