Elo TouchSystems 15B1. Processor clock speed: 2200 MHz, Processor cache: 0.5 MB. Internal memory: 2048 MB, Maximum internal memory: 4 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 160 GB, Storage media type: HDD, Storage drive interface: Serial ATA. Display diagonal: 381 mm (15 "), Aspect ratio: 4:3, Display brightness: 225 cd/m². Graphics adapter family: Intel, On-board graphics adapter model: GMA X4500