11-14-2018 12:28 PM
Checking with the systemboard and did not show any additional slot for storage.
No second slot for m.2 SSD PCIe and no SATA Slot either. This is indeed a needing replacement of current m.2 PCIe up to 512 GB like the Samsung MZVLV512HCJH512GBM.2 PCIE SSD PM951.
I hope this helps answer your query.