Question M.2 Sata III SSD inside the WWAN Slot of the Lenovo P50s

Jan 27, 2021
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I have the Lenovo P50s laptop (type 20FL). My question relates to the WWAN port inside of the laptop. I have read that people have used an 2242 M.2 Sata SSD inside the WWAN port of their laptops. I saw a post on Reddit that mentions this on the P50s, but it sounds like it is not compatible. However, one user thinks that "the release that comes in March-April does have it."

I am a bit confused by the P50s Specifications sheet. Under Storage, it mentions "Some: SSD / PCIe NVMe, PCIe 3.0 x 2, 16Gb/s (e.g. xxxG SSD PCIe NVMe)." Does that mean that it may have a slot dedicated to a SSD/NVMe drive?

How can it be determined that it will or will not work before purchasing a 2242 M.2 Sata SSD? I plan to open up my computer, but I don't think that it will resolve my question unless I have a M.2 SSD to test with it.

(Note: I do plan to replace the HDD with a 2.5 inch SSD, but would like a boot drive and a storage drive)
 

hotaru.hino

Respectable
Sep 1, 2020
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To figure out what the M.2 slot is meant to be used for, check the keying: https://en.wikipedia.org/wiki/M.2#Form_factors_and_keying

M.2 slots meant for storage either have the B, M, or B+M keys. SATA drives can fit in any of these, NVMe can only be installed in M-keyed slots.. Slots meant for Wi-Fi adapters and whatnot usually have A and E keys. A and E keyed slots do not have provisions for SATA, though they do accept PCIe x1 devices.
 

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