Apple MacBookPro i5-2.53GHz 4GB 500GB, MacBook Pro. Processor clock speed: 2.53 GHz, Processor family: Intel Core i5, Processor model: i5-540M. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1066 MHz. Total storage capacity: 500 GB, Hard drive interface: Serial ATA, Hard drive rotational speed: 5400 RPM. Display diagonal: 431.8 mm (17 "), Display resolution: 1920 x 1200 pixels, Aspect ratio: 16:10. Discrete graphics adapter model: NVIDIA GeForce GT 330M, Discrete graphics adapter memory: 512 MB