Toshiba Satellite A135-S4677 15.4" Notebook PC (Intel Pentium Dual Core Processor T2080, 1 GB RAM, 80 GB Hard Drive, SuperMulti DVD Drive, Vista Home Premium) Intel Pentium Dual Core T2080 operating at 1.73GHz, 533 MHz Bus Speed, 1MB L2 Cache 80GB 5400rpm SATA Hard Drive ; 15.4" WideScreen Display at a maximum 1280 x 800 resolution Burns DVDs and CDs; 256MB Shared Video memory; 4 USB 2.0 ports; 1 Firewire port; PC Card Slot; S-Video Out; Media Card Slot 1GB of DDR2 SDRAM Memory;expandable to 2GB; Built-in 802.11bg wireless Windows Vista Home Premium