Acer Aspire AZ1-621 21.5" All-in-One Desktop: Quad-Core 2.1GHz, 4GB RAM, 1TB HDD, Windows 8.1

Intel Premium N3530 Quad-Core 2.1GHz 2MB Cache Processor
4GB DDR3 installed memory
1TB 5400RPM SATA3 hard drive for extensive storage capacity
21.5-inch full HD widescreen edge-to-edge LED backlit touch screen
Windows 8.1
Smooth internet connections with 802.11b/g/n wireless LAN and Bluetooth 4.0 LE
Intel HD graphics for vivid images
Built-in HD webcam for video conferencing
Two built-in front facing speakers plus subwoofer for full sound