Business Desktop D3K09UT All-in-One Computer - Intel Core i7 i7-3770 3.40 GHz - Desktop Form Factor - All-in-One Operating system - Windows 7 Professional 64-bit Processor - Intel Core i7-3770 Quad Core 3.40 GHz Standard memory - 8GB 1600 MHz DDR3 SDRAM Internal drive - 1TB 7200 rpm SATA