Lenovo IBM Thinkcentre M82 Business Premium Desktop PC Small Form Factor SFF Intel Qual Core i5 up to 3.6Ghz CPU 16GB DDR3 RAM 3TB HDD DVD Windows 10 Professional. Key Features:Get reliable performance from the Intel Core i5-3470 3.6GHz Quad-core processor16GB memory – For multitasking power3TB SATA hard drive has plenty of space to store your digital albums music library and rich media filesEnhanced viewing with the integrated Intel HD 2000 graphicsDVD-ROM drive – watch movies on your computer; read CDs and DVDs in multiple formatsThe front-panels USB ports make it easy to transfer photos music and other files to and from your digital camera and other peripheral devicesSpecifications:Processor: Intel Core i5-3470 Processor (Quad Core 6M Cache up to 3.60 GHz)Memory: 16GB (4 slots)Graphics: Intel HD Graphics 2000Video Ports: VGA DisplayPortHard Drive: 3TB HDD SATACard Reader: NoOptical Drive: DVD-ROMSound: IntegratedNetwork: 10/100/1000 Gigabit EthernetWireless:no. Ports:(1) DisplayPort(1) VGA(10) USB 2.0(1) RJ-45 LAN(2) PS/2(1) Serial(1) Headphone(1) Microphone(1) Audio: Line-in(1) Audio: Line-outExpansion Slots & Bays:(1) Half-Height PCIe x16 Slot(1) Half-Height PCIe x16 (wired x 4) Slot(1) 5.25"" External Drive Bay(1) 3.5"" Internal Drive BayOperating System:Genuine Windows 10 Professional 64-bit