Features include gigabit ethernet, 220W power supply, media reader, one PCI slot and one PCI-E x 1 slot, and a 1-year limited warranty. Product Details: AMD Athlon II X4 645 Quad Core (3.1GHz, 2MB Cache), Nvidia GeForce 6150SE Graphics, 4GB DDR3 1333 RAM, 500GB 7,200 RPM Hard Drive, 16X DVD Burner, Windows 7 Home Premium 64-Bit
