The 15.6" TravelMate 5542 features multi-core processing, wide-ranging communication capabilities, and indispensable security solutions to empower mobile professionals like you. Designed to keep your business running while you are on the move, this streamlined notebook is less than 1" thin for convenient handling and a sleek, professional look. Manufacturer: Acer, Inc Manufacturer Part Number: LX.TZG03.010 Manufacturer Website Address: us.acer.com Brand Name: Acer Product Line: TravelMate Product Series: 5542 Product Model: TM5542-P342G25Mnss Product Name: TravelMate 5542 TM5542-P342G25Mnss Notebook Product Type: Notebook Processor Manufacturer: AMD Processor Type: Athlon II Processor Model: P340 Processor Speed: 2.20 GHz Processor Core: Dual-core Cache: 1 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: ATi Graphics Controller Model: Mobility Radeon HD4250 Graphics Memory Accessibility: Shared 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: 1.35", 1.34" Width: 15" Depth: 10" Weight (Approximate): 5.73 lb Package Contents: TravelMate 5542 TM5542-P342G25Mnss Notebook Lithium Ion Battery AC Adapter Green Compliance: Yes Green Compliance Certificate/Authority: Energy Star