The HP Elite 8200 is engineered to optimize the way processor, memory, graphics and OS work together to deliver massive, whole-system computational power. It lacks backward compatibility with old-school hardware like PCI cards and peripherals that connect via serial ports, but it compensates with speedy quad-core processing and forward-looking components. This Professionally customized HP Elite 8200 will be an excellent addition to your Business, Office or Home environment. Fully configured, cleaned and tested, prior to shipment.