Gateway Midtower Desktops. Intel Core i5-4440 (6MB Intel Smart Cache 3.10GHz up to 3.30GHz with Intel Turbo Boost Technology) Memory: 4GB (4/0/0/0) DDR3 SDRAM Storage: 1TB SATA hard drive 7200RPM; Super-Multi drive; SD card reader Graphics: NVIDIA GeForce GTX 645 (2GB discrete video memory) Communications: Gigabit LAN 802.11b/g/n WLAN Bluetooth 4.0 OS: Windows 8.1 (64-bit)