Dell Computer is a highly reputed name in the computer hardware industry. They market their products directly to customers, reducing the additional costs of distribution channels in the process. This American company is based at Round Rock, Texas, and was founded by Michael Dell, in 1984. Dell Computers has witnessed tremendous growth since the manufacture of its first computer, in 1985. The wide product range offered by the company includes personal computers, computer peripherals, network switches, servers, data storage devices, personal digital assistants, software applications, and several other products. Dell has introduced the OptiPlex line of desktop computers, targeting mostly government, corporate, and educational institutions. The OptiPlex GX400 is an extremely fast and powerful desktop PC, which uses the Intel Pentium 4 processor hitherto and operates at speeds of 1.3 to 1.4 GHz. The motherboard features the Intel 850 chip set. The integrated Intel NetBurst microarchitecture is a fast and innovative system bus technology that provides efficient use of Rambus DRAM (RDRAM). This RDRAM operates at 600, 700, or 800 MHz. It is equipped with 128 MB of RDRAM, and can support up to a maximum of 2 GB. There is an integrated audio system on the GX 400, besides an on-board 3Com network interface card. This innovative OptiPlex machine features a 16 MB AGP Nvidia TNT graphics accelerator that provides enhanced graphics even while using high end graphics applications. The standard GX400 model has 10 GB hard drive, but can be configured up to a maximum of 80 GB of storage. This model is equipped with four USB ports, making the USB hubs obsolete. The GX400 features a midnight gray, OptiFrame mini-tower chassis that is easily accessible, and a maximum expansion capacity. It is a well-designed, user-friendly personal computer, which is popular for its efficiency and good performance.