HP Presario CQ61-115SL. Product type: Notebook. Processor frequency: 2 GHz, Processor family: Intel Core 2 Duo, Processor model: T6400. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM, Memory layout (slots x size): 2 x 2 GB. Total storage capacity: 250 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Display diagonal: 39.62 cm (15.6"), Display resolution: 1366 x 768 pixels