For large enterprise(EDU/GOV/PUB etc. ) with a need for an high performance desktop PC, the ThinkCentre M900 provides the latest Intel technology without sacrificing security, stability, manageability, and green environment. * 2.8 GHz Intel Core i7-6700T Quad-Core Upto 3.6GH z *16GB of DDR4 RAM *Integrated Intel HD Graphics 530 *Upgraded 480GB SSD *One Ethernet Port *DisplayPort, USB 3.0 *Windows 10 Professional (64-bit) Craving Savings sells computers with upgraded configurations. If the computer has modifications (listed above), then the manufacturer box is opened for it to be tested and inspected and to install the upgrades to achieve the specifications as advertised.