Chasis : Tower CPU : 1 x Intel Xeon E3-1240v6, FCLGA1151 RAM: 1 x 8 GB, Up to 64GB RAM Slots : 4 DIMMs slots, DDR4 HDD Bays : - Internal Storage (max) : 8 x 3.5 Disks On board network : BCM 5720 2p Internal Raid Controllers : H730 PCI Slots : Up to 4 PCIe USB: Rear: 2 x USB 3.0 + 4 x USB 2.0, Front: 1 x USB 2.0 + 1 x USB 3.0 PSU: 1 x 495W