Affordably priced and well-equipped Lenovo G550 Notebook offers portable, worry-free computing in a stylish package. All the tools you need for everyday computing in a full-featured, easy-to-use notebook with stunning good looks.*Manufacturer: Lenovo Group Limited *Manufacturer Part Number: 2958A4U *Manufacturer Website Address: www.lenovo.com/us/en/ *Brand Name: Lenovo *Product Series: G550 *Product Name: G550 Notebook *Product Type: Notebook *Processor Manufacturer: Intel *Processor Type: Core 2 Duo *Processor Model: T6600 *Processor Speed: 2.20 GHz, 2.20 GHz *Processor Core: Dual-core *Standard Memory: 3 GB, 3 GB *Maximum Memory: 4 GB, 4 GB *Memory Technology: DDR3 SDRAM *Memory Standard: DDR3-1066/PC3-8500 *Hard Drive Capacity: 320 GB, 320 GB *Solid State Drive Capacity: Not Included *Optical Drive Type: DVD-Writer *Optical Media Support: DVD±R/±RW *Screen Size: 15.6", 15.60", 15.60" *Graphic Mode: WXGA *Display Screen Type: Active Matrix TFT Color LCD *Widescreen: Yes *Graphics Controller Manufacturer: Intel *Graphics Controller Model: GMA 4500MHD *Network Technology: Wi-Fi *Operating System: Windows XP Professional Upgrade to Windows 7 Professional *Maximum Battery Run Time: 3.80 Hour, 3.80 Hour *Color: Black *Dimensions: 1.43" Height x 15" Width x 9.60" Depth, 1.43" Height x 15" Width x 9.60" Depth, 1.43" Height x 15" Width x 9.6" Depth *Package Contents: *G550 Notebook *Lithium Ion Battery *AC Adapter *Green Compliance: Yes *Green Compliance Certificate/Authority: RoHS