• CPU : Intel Core i3 (7th Gen) 7100U / 2.4 GHz
• RAM : 0 MB / 32 GB (max) SO-DIMM 260-pin Support 2 slots
• HARD DRIVE: no HDD Support M.2 (PCI Express 3.0 x4 / SATA),One SATA3 port for connection to 2.5" HDD or SSD  
• Wireless Protocol : 802.11a/b/g/n/ac, Bluetooth 4.2
• CARD READER : Support SDXC UHS-I Memory Card
• GRAPHICS CONTROLLER : Intel HD Graphics 620 Support DisplayPort, HDMI
• AUDIO OUTPUT : 7.1 channel surround High Definition Audio

http://www.intel.com/content/www/us/en/nuc/nuc-kit-nuc7i3bnh.html