Originally designed for heavy use in the corporate environment, this Lenovo computer has been Renewed with higher quality components than you'll find in typical off the shelf retail models. Specifically configured for optimal use at home or school, this computer has been professionally refurbished by a Microsoft Authorized Refurbisher (MAR). Every component is tested for full functionality to ensure years of ongoing performance and reliability. Exterior cosmetics are restored to a like-new condition with little to no visible signs of previous use. A fresh and authentic installation of Microsoft Windows 10 is performed with the new license digitally rendered in the PC for an easy and secure start upon first use. <br/><br/> Manufacturer/Model: Lenovo ThinkCentre M900<br/><br/> Processor: <br/><br/> RAM Installed: 16GB <br/><br/> Hard Drive: 1TB HDD<br/><br/> Operating System: Windows 10 Professional 64 Bit<br/><br/> Optical: <br/><br/> Video Ports: VGA Port- , Display Port- 2, DVI Video Port- Not Installed, HDMI Port- Not Installed <br/><br/> Network: Network Card- , Wireless Networking- , Bluetooth- Not Installed <br/><br/> Additional Ports: USB 2.0- , USB 3.0- <br/><br/><br/> * This computer will arrive at your doorstep ready to use right out of the box with all necessary cables included.