Grade: B Brand & Model: Lenovo ThinkCentre M900 SFF PC Processor: Intel i5-6500 3.2Ghz Screen: N/A Memory: 4GB DDR4 Storage: 500GB SATA HDD Optical Drive: DVD-R Graphics: Intel Graphics 530 Input Device: None Operating System: Windows 10 Home 64 Bit Wireless: No Bluetooth: No Ports: 8 X USB 3.0, RJ-45 Network Port, VGA port, Display Port, VGA Port, 3.5mm headphone jack, Serial Port, Warranty: 12 Months Info: Features Small Form Factor Small form factor desktops balance enterprise-level performance with a convenient, space-saving design. 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.