ASUS PRO5DIJ-SX227V, BE. Processor frequency: 2.1 GHz, Processor family: Intel Pentium, Processor model: T4300. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 320 GB, Hard drive interface: Serial ATA, Hard drive speed: 5400 RPM. Display diagonal: 39.62 cm (15.6"), Display resolution: 1366 x 768 pixels. Discrete graphics adapter model: Intel GMA 4500M