Lenovo ThinkCentre M83 Business Small Factor Desktop Computer, Intel Core i5-4570 up to 3.6GHz, 16GB RAM, 128GB SSD + 2TB HDD, Windows 7 Professional (Certified Refurbished)
Specifications:

Processor: Intel Quad Core  i5-4570 Processor 3.2GHz (Turbo up to 3.6GHz, 6 MB Cache)
Graphics: Intel HD Graphics
Memory: 8GB DDR3 Memory
Hard Drive: 128GB Solid State Hard Drive + 2TB SATA Hard drive
Optical Drive: DVD-ROM
Network: 10/100/1000 Gigabit Ethernet , USB WIFI adapter

I/O Ports:
DisplayPort: 2
VGA: 1
USB 2.0: 4
USB 3.0: 4
RJ-45: 1
Serial Port: 1
Audio Line In: 1
Audio Line Out: 1
Microphone: 1

Operating System:
Windows 7 Professional

Product Features

• This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com
• Intel Quad-Core i5-4570 3.2GHz (6M Cache, up to 3.60 GHz)
• 16GB DDR3 Memory, 128GB SSD + 2TB SATA Hard Drive
• Optical Drive: DVDROM Network: 10/100/1000 Gigabit Ethernet I/O Ports: DisplayPort: 2 VGA: 1 USB 2.0: 4 USB 3.0: 4 RJ45: 1 Serial Port: 1 Audio Line In: 1 Audio Line Out: 1 Microphone: 1
• Windows 7 Professional