Refurbished Lenovo ThinkCentre M81 (SFF) — Intel i5 Quad Core 3.1GHz, 4GB DDR3, 250GB SATA, DVD, Windows 10 Professional 64 Bit

Ships with Windows 10 Professional 64 Bit preinstalled for immediate use. Power comes from an Intel i5 Quad Core 3.1 GHz processor, paired with 4GB DDR3 of installed memory. Storage is provided by a 250GB SATA hard drive.