Lenovo ThinkCentre A70z, ThinkCentre. Processor clock speed: 2.93 GHz, Processor family: Intel Core 2 Duo, Motherboard chipset: Intel G41 Express. Internal memory: 2 GB, Maximum internal memory: 4 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 320 GB, Hard drive rotational speed: 7200 RPM. Display diagonal: 482.6 mm (19 "), Display resolution: 1440 x 900 pixels, Display brightness: 300 cd/m². Discrete graphics adapter model: Intel GMA 4500M