Solved: mSATA SSD in WWAN slot in e7240 - Dell Community
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Solved] Help me to determine my WWAN slot type - mPCIe or .M2? - DIY e-GPU Projects - Tech|Inferno Forums
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Latitude 5480, 2nd SSD in WWAN slot confirmed working : r/Dell
Solved: mSATA SSD in WWAN slot in e7240 - Dell Community