Pictures are for illustration purposes only, please refer to specification below for product details. Grade: B Brand & Model: Lenovo ThinkCentre M900 SFF PC Processor: Intel Core i5 i5-6500 3.2GHz Screen: N/A Memory: 8GB DDR4 RAM Storage: 500GB HDD Optical Drive: DVD-R Graphics: Intel Corporation HD Graphics 530 Input Device: None Operating System: Windows 10 Home 64 Bit & Libre Office Wireless: No Bluetooth: No Ports: 8 X USB 3.0 (2 Front / 6 Rear), RJ-45 Ethernet Network Port, VGA Port, Display Port, Serial Port, Audio Ports Warranty: 12 Months Info: Features Small Form Factor Small form factor desktops balance enterprise-level performance with a convenient, space-saving design. Occupies just 9 litres. Dust Filters for Product Longevity Extend the life of your ThinkCentre M900 with unique, Lenovo-developed dust filters. The filters reduce dust intake by almost 42 percent – so your machine will last longer with less maintenance. What’s more, the dust filter has an unobtrusive design and can be conveniently removed for cleaning. PCIe SSD Support Enjoy solid-state drive processing speeds with the ThinkCentre M900’s PCIe SSD support. Works great with buffering, caching, and content delivery applications and significantly increases overall performance. PCI Slot (Optional) Attach devices and add-on controller cards to your M900’s motherboard with the peripheral component interconnect (PCI) slot. Great for legacy connections. Intel vPro The M900 includes Intel vPro technology to make enterprise-level manageability even more convenient and cost-efficient. The built-in management capabilities of Intel vPro allow IT administrators to access your Think PC remotely, even when the system if powered off. This means admins can remotely diagnose and repair systems as well as automate security patches and updates ensuring your system is always up and running. Stable Image Platform Program Intel’s Stable Image Platform Program (SIPP) facilitates the often tricky process of transitioning from one technology generation to the next.