Exone Touchcomputer 21.5" 21EEF1i i3, 4GB, 1TB, W7. Processor clock speed: 3.3 GHz, Processor family: Intel Core i3, Processor model: i3-2120. Internal memory: 4 GB, Maximum internal memory: 8 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 1000 GB, Storage media type: HDD, Storage drive interface: Serial ATA III. Optical drive type: DVD Super Multi, Optical drive interface: SATA. Display diagonal: 546.1 mm (21.5 "), Display resolution: 1920 x 1080 pixels, Touch technology: multi-touch