what is m 2 slot - SSD for M.2 2280 slot in Opti 9020M (micro) - Dell Technologies - Spiceworks Community victory 888 slot

I’m looking for detailed info on the M.2 slot used in the Opti 9020M. As much as there is a ‘standard’ for M.2 it seems the implementation of it per board/drive can vary quite a bit. With the slot being able to be keyed for ‘M’ or ‘B’ and then you have to know if the slot it wired for PCIe or SATA. So - what is the spec for the M.2 slot(Slot2) in the 9020M? Any examples of retail M.2 SSD drives that can fit this slot. I’ve ruled out the Samsung XP941 PCIe drive. Thanks.

My laptop is Asus N552VW which runs Intel 6700HQ for the CPU, it comes with a M.2 SATA SSD model: MZNLF128HCHP-00004 128GB and from what I see, my laptop's M.2 slot is a B+M key slot: More picture...

Given that it supports PCIe bifurcation it can support far more than just two NVME ssds, a M.2 Key E WiFi slot (card not included - what works in the slot and what doesn't is not documented) and a single PCIe 5.0 x16 slot might indicate.

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