HP PAVILION P2-1334 Desktop PC AMD E1-1200 1.4GHz Processor, 4GB Ram, 500Gb Hard Drive, Windows 8 (Black) AMD E1-1200 Accelerated Processor with Integrated AMD Radeon HD 7310 graphics 4GB PC3-8500 (1066 MHz) Ram, Supports up to 8 GB on 64-bit systems 500GB SATA 7200 RPM Hard Drive, Multiformat DVDRW/CD-RW drive with double-layer support Microsoft Windows 8 operating system preinstalled HP USB optical mouse & HP USB keyboard