Elo TouchSystems 22C3. Processor clock speed: 3000 MHz, Processor cache: 6 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: 546.1 mm (21.5 "), Display resolution: 1920 x 1080 pixels, Aspect ratio: 16:9. Graphics adapter family: Intel, On-board graphics adapter model: GMA X4500