Powered by the Intel Core i7-4770 3.4GHz Quad-Core processor for impressive performance results and energy efficiency. 8GB memory – For multitasking power; supports up to 16GB 256GB SSD + 3TB SATA Hard drive Enhanced viewing with the integrated Intel HD graphics DVD-ROM drive – watch movies on your computer; read CDs and DVDs in multiple formats Connect to a broadband modem or router with wired Ethernet The front-panel’s USB ports make it easy to transfer photos, music, and other files to and from your digital camera and other peripheral devices

Specifications: 
Processor: Intel Quad-Core i7-4770 3.4GHz (Turbo up to 3.9GHz) 8MB Cache
Graphics: Intel HD Graphics
Memory: 8GB DDR3 Memory (up to 16GB RAM, 4 slots)
Hard Drive: 256GB SSD + 3GB HDD
Optical Drive: DVD-ROM
Network: 10/100/1000 Gigabit Ethernet , USB WIFI adapter

Front Ports:
(2) USB 2.0
(1) Headphone
(1) Microphone
Rear Ports:
(4) USB 2.0
(2) USB 3.0
(2) DisplayPort
(1) VGA
(1) RJ-45
(1) Audio-in
(1) Audio-out
Expansion Slots & Bays:
(1) PCI Express 3.0 x16 Low-Profile slot
(1) PCI Express 2.0 x16 (Wired x4) Low-Profile slot
(1) PCI Express 2.0 x1 Low-Profile slot
(1) External 5.25-inch bay
(1) Internal 3.5-inch bay

Operating System: 
Windows 10 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 90-day 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 i7-4770 3.4GHz (Turbo up to 3.9GHz) 8MB Cache; USB Wifi Adapter included for wireless connection
• 8GB DDR3 Memory, 256GB SSD + 3GB HDD, USB WIFI adapter, DVD, Monitor not included
• USB Wired Keyboard, Mouse, 10/100/1000 Gigabit Ethernet, 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
• Windows 10 Professional 64 bit, Activation code is on the tower; the best operating system for business