Lenovo E32 30A3001UUS Desktop (3.4 GHz Intel Core i7-4700 Processor, 8GB DDR3, 1TB HDD, NVIDIA Quadro K600, Windows 7 Professional) Black (Discontinued by Manufacturer) Intel Quad Core i7-4770 3.4GHz 8GB DDR3 Memory, USB3.0 NVIDIA Quadro K600 Discrete Graphics (1GB, 1xDVI-I DL, 1xDP, 41W) 1000 GB 7200 rpm Hard Drive, DVDRW Burner Windows 7 Professional 64-bit