ASUS N55SF-DH71 Full HD 15.6-Inch Versatile Entertainment Laptop (Black) 2.2 GHz Intel Core-i7 2670QM Processor 8 GB DIMM 750 GB 7200 rpm Hard Drive 15.6-Inch Screen, Nvidia GT 555M 2GB Windows 7 Home Premium 64-bit, comes with bundled subwoofer, Blu-ray writer enabled DVDRW/CD-RW.