HP ProOne 600 G1 All-in-One Business PC - E3S64UT Intel Core i7-4770S Processor (3.1GHz, 8MB cache, 4 cores) 4GB 1600 MHz DDR3 SDRAM 500GB 7200 rpm SATA Hard Drive SATA SuperMulti DVD writer 21.5 IPS widescreen WLED backlit anti-glare LCD (1920 x 1080)