Oemgenuine Lenovo ThinkCentre M700 Tower Intel Quad Core i5-6400, 8GB RAM, 1TB 7200RPM HDD, W10P, Business Desktop Computer, 3 YR WTY &lt; Additional Memory and Storage Options Below &gt; Processor: Intel i5-6400 Quad Core Processor (6MB Cache, 2.70 - 3.30 GHz) Hard Drive: 1TB 7200RPM Hard Drive; RAM: 8GB DDR4 2133MHz RAM Operating System: Genuine Microsoft Windows 10 Pro 64 Bit Warranty: 3 Year Onsite Warranty Memory and Hard Drive Upgrade - *View Product Description for more details