HP Compaq CQ2815EA Desktop PC. Processor clock speed: 2100 MHz, Processor model: Intel Celeron G540T, L2 cache: 2 MB. Maximum internal memory: < 8 DDR3, Memory layout: (1 x 4 GB), Memory slots: 2x DIMM. Compatible memory cards: 6-in-1 memory card reader. Discrete graphics adapter model: Intel HD Graphics (up to 1.30 GB). Audio system: HD audio 5.1