Yes, you can install a second M.2 SSD and the bracket for that is available at Amazon here. And it is also an M.2 NVMe slot.
Hi. I have the Dell Inspiron 5405(40W). Is it possible to install second m2 ssd drive in slot two? I opened the back case and I noticed that the metal mounting bracket is missing and cannot find it anywhere. The photoe bellow showes tha it supports second drive.     [IMAGE]
Second ssd in slot two.