Type: Business Desktops & Workstations Processor: Intel Core i5-2400 3.1GHz Processor Main Features: 64 bit Quad-Core Processor Cache Per Processor: 6MB L3 Cache Memory: 4GB DDR3 1333 Hard Drive: 500GB SATA 3.0Gb/s 7200RPM Optical Drive 1: 16X DVD+/-RW Graphics: Intel HD Graphics