Asus G20AJ-US029S Desktop, Intel Quad-Core: i7-4790, 3.6 GHz, 1 TB, Windows 8.1, Black/Red (Refurbished) Intel Core i7-4790 Processor 3.6 GHz, Microsoft Windows 8.1 64-bit 8GB DDR3-1600 RAM, 1TB 7,200RPM Hybrid Hard Drive NVIDIA GeForce GTX960, SuperMulti DVD Drive 10/100/1000 Network, 802.11ac Wireless, Bluetooth 4.0