AMD A6 X2 6400K Processor (Dual Core, 1M Cache, 4.1 G Hz) MS Windows ® 8.1 or Windows ® 7 HP MSI A55-M-E33 FM2 Mainboard AMD RADEON HD 8470D GPU 4GB DDR3 1600 M Hz Memory 1TB SATA III 7200rpm HDD 24x DVD Writer (read/write CD & DVD) Stylish Micro-ATX Case