System Manufacturer/Model Number: Dell Dimension c521 OS: Windows 7 Home Premium 64bit CPU: AMD Athnlon 64 X2 Dual Core 6400+ 3.21GHz Motherboard: Dell 0HY175 Memory: 2 x 1024 DDR-2 Sdram. Crucial Part# CT12864AA667.M8FA. Graphics Card: NVIDIA GeForce 6150 LE (OnBoard) Sound Card: N/A Monitor(s) Displays: Dell E207wfp Screen Resolution: 1680 x 1050 60hz Keyboard: Microsoft Natural Ergonomic 4000 v. 1.0 Mouse: Microsoft Wireless mouse 5000 PSU: Dell L280P-01. 280 Watts Case: Dell desktop/tower. Cooling: Cpu: Dell Heatsink with 120MM fan. Chipset: ZALMAN ZM-NBF47 Hard Drives: Hitachi Deskstar Model HDS728080PLA380 Internet Speed: Cable modem. Motorola sb5101 1megabyte/s Other Info: I was going to build my own system, naturally, but dell gave me free monitor and a large discount for being a college student :-)