This Compaq Presario 5000US Desktop PC comes with an AMD Duron processor running at 750 MHz, 320 MB of RAM, and a 120 MB HDD. It includes a keyboard and offers connectivity through serial and USB 1.0/1.1 ports. The desktop is suitable for casual computing and gaming, but the operating system is not included. The beige tower unit has a Compaq brand and series 5000. The GPU is not specified, but more details can be found in the description. This desktop is an excellent choice for those who want to build their own custom operating system.