Ordering P/N TVS-1282T3-i7-64G CPU Intel® Core™ i7-7700 3.6 GHz quad-core processor System memory Total DIMM slots: 4 System memory: 64 GB DDR4 RAM Memory modules pre-installed: 16 GB x4 Flash Memory 512MB DOM M.2 Slot 2 x M.2 2242/2260/2280/22110 SATA 6Gb/s SSD Note: 1. The M.2 SSD is not included as standard. 2. M.2 SSD operations can easily generate excessive heat. It is recommended to install a heatsink (from QNAPor a third-party provider) on the M.2 SSD. Hard Drive Tray model : ADATA XPG SX6000 Lite 512GB PCIe 3D NAND PCIe Internal Solid State Drive tag : NAS