Aspire Z3-600-UR15 AIO Touch Desktop. Integrated 21.5" IPS 10-point multi-touch touchscreen Maximum Resolution: 1920 x 1080 Aspect Ratio: 16:9 Brightness (typical): 250 cd/m2 Audio: Integrated microphone and two speakers. OS: Windows 8.1 (64-bit) Processor: Intel Pentium Processor J2900 (2MB L2 cache 2.41GHz) Memory: 8GB (8) DDR3 SDRAM Storage: 1TB SATA hard drive 5400RPM; SD card reader Graphics: Integrated Intel HD Graphics (688MHz base frequency 896MHz max dynamic frequency) Communications: Gigabit LAN 802.11a/b/g/n WLAN Bluetooth 4.0 webcam