Chasis : 1U Rack CPU : 2 x Intel Xeon E5-2680v3, FCLGA2011 RAM : 2 x 16 GB, Up to 1.5TB RAM Slots : 24 DIMMs slots, DDR4 HDD Bays : - Internal Storage (max) : Up to 10 x 2.5" up to 18TB via 1.8TB hot-plug SAS HDD. SATA or SSD or SAS On board network : BC57800S SFP-2p Internal Raid Controllers : H730m PCI Slots : Up to 3 x PCIe 3.0 slots USB: front (2 x USB 3.0), back (2 x USB 3.0) internal (1 x USB 3.0) PSU: 2 x 750W