The Dell manual does not detail whether screw holes are provided to mount an SSD in hard drive slot. Best I can tell you is to power it off, open the case and look. I see holes in the secondary hard drive mount that MAY work but not in the primary hard drive mounting. An adapter may be needed.
I am not a Dell Employee
Dell forum member since 2002
Dell Inspiron 15 - 5577 Laptop
Home Built Desktop PC with Gigabyte Designare Z390, i7 8700K CPU
Windows 10 64 bit Pro and Windows 10 Insider Program Beta Versions. SSD drives. Cakewalk by BandLab and Studio One 4.6 Pro Recordng Studio Software.