The 15.6" TravelMate 5742 features powerful processing and wide-ranging communication capabilities to empower mobile professionals like you. Designed to keep your business running while you're on the move, this streamlined notebook is only about " thin for convenient handling and a sleek, professional look. Manufacturer: Acer, Inc Manufacturer Part Number: LX.TZ903.037 Manufacturer Website Address: us.acer.com Brand Name: Acer Product Line: TravelMate Product Series: 5742 Product Model: TM5742-7159 Product Name: TravelMate TM5742-7159 Notebook Product Type: Notebook Processor Manufacturer: Intel Processor Type: Core i3 Processor Model: i3-380M Processor Speed: 2.53 GHz Processor Core: Dual-core Cache: 3 MB Standard Memory: 2 GB Maximum Memory: 4 GB Memory Technology: DDR3 SDRAM Memory Standard: DDR3-1066/PC3-8500 Hard Drive Capacity: 250 GB Optical Drive Type: DVD-Writer Optical Media Support: DVD-RAM/±R/±RW Dual-Layer Media Support: Yes Screen Size: 15.6" Display Screen Type: Active Matrix TFT Color LCD Aspect Ratio: 16:9 Screen Mode: WXGA Backlight Technology: LED Display Resolution: 1366 x 768 Graphics Controller Manufacturer: Intel Graphics Controller Model: Graphics Media Accelerator HD Graphics Memory Capacity: 128 MB Graphics Memory Accessibility: Dedicated Ethernet Technology: Gigabit Ethernet Wi-Fi: Yes Wi-Fi Standard: IEEE 802.11n Webcam: Yes HDMI: Yes Operating System: Windows 7 Professional Operating System Architecture: 32-bit Maximum Battery Run Time: 4 Hour Height: 1.30" Width: 15" Depth: 10" Weight (Approximate): 5.70 lb Package Contents: TravelMate TM5742-7159 Notebook Lithium Ion Battery AC Adapter Green Compliance: Yes Green Compliance Certificate/Authority: Energy Star