Acer Aspire 4520 14.1" Laptop (AMD Turion 64 X 2 TL-52 Dual Core Processor (1.6GHz), 1GB RAM, 120GB Hard Drive, Vista Premium) Processor AMD Turion 64 X2 mobile technology TL-52 / 1.6 GHz ( Dual-Core ) 1 GB installed memory 120 GB hard drive Windows Vista Premium operating system