Premium Performance, Solid Reliability. Whether you run a small business or the IT department of a massive enterprise, you can have confidence in these desktop PCs' reliability, ease of use and productivity - not to mention their green appeal. ThinkCentre M900 Tiny is an ultrasmall form factor. It offers mounting solutions, including support for standard VESA mounts and Tiny-in-One configurations -- which transform your PC into a space-saving modular all-in-one. Tiny desktops fit just about anywhere, while still delivering reliable, enterprise-level performance. Maximize productivity with independent display support for three monitors. The expanded work area and easier navigation between applications help reduce errors and improve productivity as you extend your desktop across multiple monitors.GENERAL INFORMATIONBrand: LenovoSeries: ThinkCentreModel: M900Form Factor: Mini PCOperating System: Windows 10 ProPROCESSORProcessor Brand: IntelProcessor Type: Core i7-6700TNumber of Cores: 4Base Frequency: 2.8GHzTurbo Frequency: 3.6GHzSmartCache: 8MBMEMORYMemory Capacity: 32GBMemory Type: DDR4Memory Form Factor: SO-DIMMMemory Speed: 2400MHzMax Supported Memory: 32 GBSTORAGEDrive Configuration: 128GB NVMe SSD (PCIe) + 1TB HDDVIDEOIntegrated Graphics: Intel HD Graphics 530AUDIOAudio Tech: HD AudioPORTS & FEATURESVideo Ports: 3x DisplayPortAudio Ports: Front: 1 x Headphone/Microphone Combo Jack, 1x Microphone Jack. Rear: 1x Headphone JackUSB Ports: Front: 2x USB 3.1 Gen 1. Rear: 4x USB 3.1 Gen 1Security Slot: YesKeyboard & Mouse: WiredCOMMUNICATIONSLAN: Gigabit EthernetWi-Fi: Wi-Fi 5 (802.11ac)Bluetooth: Bluetooth 4.1POWERAC Adapter: 65WPHYSICAL SPECIFICATIONSLength: 7.2 in.Width: 7.1 in.Height: 1.4 in.Weight: 2.9 lbsColor: BlackWe sell computers with upgraded configurations. If the computer has been modified (as listed above), then the manufacturer box was opened for testing and inspection and to install the upgrades according to the specifications as advertised.