HP Pavilion 20-b016l All-in-One Desktop PC. Processor clock speed: 3100 MHz, Processor model: Intel Pentium G870. Memory slots: 2x SO-DIMM, Memory layout: (1 x 2 GB). Optical drive type: Slim Tray SuperMulti DVD Burner. Compatible memory cards: 6-in-1 memory card reader. Audio system: Stereo Sound