Installed with dual channel DDR4 2x8GB RAM, 2 accessible memory slots upgradable to 64 GB ( 2 x 32 GB). Installed 500GB M. 2 PCIe NVME 2280 SSD ( can be upgraded to 2TB). You can expand the storage via SATA HDD 2.5 inch 7mm (not included) for your needs, the adapter cable for 2.5 inch Sata disk is already installed, just needs a disk inserted.