Dell I15R-2217MRB Inspiron 15.6-Inch Laptop (2.4 GHz Intel Core i5-450M Processor, 4 GB RAM, 640 GB Hard Drive, Windows 7) Intel Core i5-450M 2.40 GHz. 4GB Shared Dual Channel DDR3 SDRAM at 1333MHz (2 DIMMs) 640GB, 5400RPM Huge hard drive. 8x DVD+/-RW Drive 7-in-1 Media Card Reader: Digital (SD) Memory Card, Hi-Capacity Secure Digital (SDHC) Hi-Density Secure Digital (SDHD) Multi Media Card (MMC) Memory Stick (MS) Memory Stick PRO (MS Pro) 15.6-Inch High Definition LED Display with TrueLife with Built-in Webcam Intel HD Graphics, 6-cell Li-ion, Mars Black