Dell Inspiron i570-5556NBK Desktop (Piano Black) [Discontinued By Manufacturer] AMD Athlon II X2 250 Processor (3GHz, 2MB Cache) 4GB RAM, DDR3, 1333MHz, 4 DIMM (Max Memory - 4 DIMM, up to 8GB) 1TB 7200RPM Hard Drive; 16x DVD+/-RW Drive Integrated ATI Radeon HD4200 Graphics Genuine Windows 7 Home Premium (64-bit)