DELL OptiPlex 7440. Product type: All-in-one PC. Screen diagonal: 60.5 cm (23.8 "), HD type: Full HD, Screen resolution: 1920 x 1080 Pixels, Screen shape: Flat. Processor family: 6th Generation Intel® Core ™ i7 processors , Processor frequency: 3.4 GHz. Internal memory: 8 GB, Internal memory type: DDR4-SDRAM. Total storage capacity: 256 GB, Storage unit: SSD. Built-in camera. Optical drive type: DVD ± RW . Installed operating system: Windows 7 Professional. Product color: Black