Samsung R530 15.6" Notebook (2.3GHz Intel Pentium Dual-C T4500 3GB RAM 320GB HDD DL DVD-RW Microsoft Windows 7 Home Premium 64-bit) - New Intel Pentium Processor T4400 (2.2GHz,800MHz, 1MB) Genuine Windows 7 Home Premium (32b) Operating System 15.6" LED HD (1366 x 768) 16:9 Gloss Display 320GB (5400rpm S-ATA) Hard Drive (HDD) 3GB DDR3 System Memory