Grade: A Brand & Model: Lenovo ThinkCentre M900 Midtower PC Processor: Core i7 i7-6700 3.4GHz Screen: N/A Memory: 18GB DDR-4 Storage: 256GB SSD Optical Drive: DVD-R Graphics: Intel 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: Best quality at cheap prices, buy your refurbished PC from ITZOO.