Refurbished Lenovo ThinkCentre M92p Small Form Factor (SFF) computer powered by Intel Core i5-3470 @ 3.20 GHz (3rd generation) CPU with 24GB DDR3 RAM and 2TB HDD. This computer has NO OPERATING SYSTEM installed. The buyer is responsible for acquiring and installing their own version of Windows or other OS. This product is covered by a full 365 day Parts and Labor warranty!