Get reliable performance from the Intel Core 2 Duo E8400 3.0GHz processor 4GB memory; For multitasking power; supports up to 16GB 1TB SATA hard drive has plenty of space to store your digital albums, music library and rich media files Enhanced viewing with the integrated Intel graphics DVDRW drive; watch movies on your computer; burn CDs and DVDs in multiple formats The front-panel's USB ports make it easy to transfer photos, music, and other files to and from your digital camera and other peripheral devices Windows 10 Professional was designed for on-the-go working professionals. Connect to networks in three clicks, automatically find preferred network printers, give professional presentations, and use business programs with Windows XP Mode Specifications: Processor: Intel Core 2 Duo E8400 3.0GHz 6MB L2 Cache Memory: 4GB DDR3; Supports up to 16GB Memory Slots: 4 Graphics: Integrated Intel Graphics Video Ports: VGA Hard Drive: 1TB 7200RPM SATA Optical Drive: DVD Burner Sound: Yes Network: Integrated Intel Gigabit Ethernet LAN 10/100/1000 Wireless: No Front Panel: (2) USB 2.0 (1) Headphone (1) Microphone Rear Panel: (6) USB 2.0 (1) VGA (1) DisplayPort (1) eSATA (1) RJ-45 LAN (1) Audio: Line-in/Microphone (1) Audio: Line-out (1) Serial Port (1) Parallel Port Expansion Slots & Bays: (1) Low Profile PCI slots (available) (1) Low Profile PCI Express x16 slot (available) (1) External Slimline 5.25"" Drive Bay (occupied) (1) Internal 3.5"" Drive Bay (occupied) (1) External Slimline 3.5"" Drive Bay (available) Operating System: Windows 10 Home Edition