HP TouchSmart 600-1160nl Desktop PC, TouchSmart. Display diagonal: 58.42 cm (23"). Processor frequency: 2.26 GHz, Processor family: Intel Core i5, Processor cache: 3 MB. Internal memory: 4 GB, Maximum internal memory: 8 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 1500 GB, Hard drive speed: 5400 RPM, Compatible memory cards: Memory Stick (MS), MMC, MS PRO, SD, xD. Discrete graphics adapter model: NVIDIA GeForce GT 230