Welcome! As soon as you've booted this DELL Optiplex up, it's immediately noticeable how FAST it runs as it renders everything with no trace of lag. It performs exactly as though you unboxed it straight from the factory. The Hard Drive, Memory, Graphics Card and PSU are all brand NEW. Top rated applications have been pre-installed for your every personal, professional or educational need. This was done by installing Microsoft Office Pro Plus 2016 which includes all the standard apps like Word, Excel and Power Point. Adobe Master Suite CS6 was added providing every app in the Adobe library plus, the more familiar apps like Photoshop and Illustrator. Please feel free to make any inquiries regarding anything related to this PC bundle. Full specifications are below: Make: Dell Model: OptiPlex 990 USFF OS: Microsoft Windows 10 Professional Apps: Microsoft Office Pro Plus 2016 Adobe Master Suite CS6 CPU: Intel Core i5-2400 Quad-Core | 3.1 GHz Memory: 4GB DDR3-1336 MHz SODIMM Storage: Samsung SATA 500 GB HDD GPU: AMD Radeon HD 3450 Dual-Link DVI > x2 VGA (Pictured Last) Dual-Monitor Support Connectivity: HDMI USB 2.0 x10 Mic + Speaker Jacks HDA Audio Display: DELL 20" LED / LCD Monitor Keyboard: DELL Wired Black Keyboard Mouse: DELL Wired Black Mouse Thank you for looking!