It doesn't have a "drive" as such. It's just FLASH chips soldered onto the board. The controller is in the M4 SoC. I assume the FLASH is sourced from whoever and tested.
If you want something equivalent for your PC, you probably won't notice anything better than a PCIe 4.0 Samsung 990 Pro unless you have specific use cases. The new Samsung PCIe 5.0 ones are still well in unknown territory.