HP Compaq 500B Microtower PC. Processor clock speed: 2600 MHz, Processor family: Intel, Processor model: Intel Pentium Dual-Core E5300. Internal memory: 2048 MB, Maximum internal memory: 4 GB, Memory slots: 2x DIMM. Hard drive rotational speed: 7200 RPM. Discrete graphics adapter model: Integrated Intel Graphics Media Accelerator X4500 HD. Optical drive type: DVD Super Multi