Sony VAIO PCG-TR3AP1 Laptop (1.0 GHz Pentium M Centrino, 512 MB RAM, 40 GB Hard Drive, DVD/CD-RW Combo) Sony VAIO PCG-TR3AP1 Laptop 1.0 GHz Pentium M Centrino, 512 MB RAM, 40 GB Hard Drive, DVD/CD-RW Combo