Acer Aspire 7520-5757 17-inch Laptop (AMD Athlon 64 X 2 Dual Core TK-55 Processor, 1 GB RAM, 160 GB Hard Drive, Vista Premium) AMD Athlon 64 X2 dualcore mobile technology TK-55 Windows Vista Home Premium 1GB System memory 160GB Hard Drive 8x Super Multi DVD+/R/RW with Double Layer Support