Lenovo ThinkStation P710 30B7000VUS Tower Workstation - 2 x Processors Supported - Intel Xeon E5-2637 v4 Quad-core (4 Core) 3.50 GHz - 16 GB RAM - DDR4 SDRAM - 12 x Memory Slots - 256 GB Serial ATA SSD - DVD-Writer - Windows 10 Pro 64-bit - Serial ATA/600 Controller - 0, 1, 1+0, 5 RAID Levels - 12 x Total USB Ports - 4 x USB 2.0 Ports - 8 x USB 3.0 Ports - 850 W: