Acer Aspire AX1420G-U5832 Athlon II X4 645 3.1GHz 4GB 1TB DVD&plusmn;RW DL Windows 7 Home Premium Small Form Factor Acer Aspire AX1420G-U5832 Athlon II X4 645 3.1 GHz Small Form Factor PC General Features: Small form factor design Microsoft Windows 7 Home Premium 64-bit pre-installed w/CoA AMD Athlon II X4 645 3.1 GHz quad-core processor 4 x 512KB L2 cache, 4000 MHz Hyper Transport NVIDIA nForce 430 chipset 4 GB DDR3 RAM (8 GB maximum) 1 TB (Terabyte) SATA hard drive DVD RW DL SATA drive