ASUS X551 15-Inch Laptop, Intel Celeron N2830, 500 GB HDD, 4GB RAM, Windows 8.1 Microsoft Windows 8.1 64-bit Intel Celeron N2830 Dual Core Processor 2.16GHz 4GB DDR3 RAM, 500GB 5,400RPM Hard Drive Intel HDDL DVDRW Drive/CD-RW DriveMemory Card Reader 10/100 Network802.11b/g/n Wireless, 15-Inch HD Glossy Display Optical Drive DVDRW, Optical Drive Specifications DL DVDRW Drive/CD-RW Drive