Grade: B Brand & Model: Dell Precision Tower 3620 Processor: Xeon E3-1245v5 3.5GHz Screen: N/A Memory: 16GB RAM Storage: 256GB SSD Optical Drive: DVD-R Graphics: Intel Corporation HD Graphics P530, NVIDIA Corporation GP106GL [Quadro P2000] Input Device: N/A Operating System: Windows 10 Pro Wireless: No Bluetooth: No Ports: Front: 2x usb 3,0 , 2x usb 2.0, 1x mic, 1x headphones. Back: 4x usb 3.0, 1xHDMI, 2x Displayport,2x usb 2.0, 1x lan, 1x serial, 1xps2 mouse KB, 1x speakers out, 1x mic Warranty: 12 Months Warranty Info: Affordable, professional performance - the Dell Precision Tower 3000 Series (3620). The Dell Precision Tower 3000 Series is a fully customisable, entry workstation certified to run professional applications ideal for people who need the performance and reliability, but felt a workstation was out of their budget. Looking for a refurbished PC? Buy from ITZOO.