3 Hardware Limits of the Dell OptiPlex 5000 Micro

RAM maxes at 64 GB The system supports up to 64 GB of RAM across two SO-DIMM slots. You cannot install more than that.

Only one M.2 NVMe slot Storage is limited to a single M.2 NVMe slot. There are no additional M.2 ports for expansion.

One 2.5-inch SATA bay is the only other storage option The only other storage is a single 2.5-inch SATA bay. No extra SATA ports are available.