Lenovo IdeaCentre H530s Desktop (57323787) (Discontinued by Manufacturer) 4 GB PC3-12800 DDR3 SDRAM 1600MHz UDIMM Memory 1TB, 7200RPM Serial ATA 2.5" Hard Drive Windows 8.1 Standard 64 - English Intel Core i3-4130 Processor (2 cores / 4 threads, 3.4GHz, 3MB cache)