Dell Alienware 15 (Early 2015) - Manual (Page 11)

Specifications
Views
System
Information
Memory
Ports and
Connectors
Dimensions and
Weight
Computer
Environment
Storage
Touch Pad Power Adapter Camera
Communications
Battery
Video Audio
Display
Media-Card
Reader
Keyboard
Communications
Ethernet 10/100/1000 Mbps Ethernet controller integrated on system board
Wireless • Wi‑Fi 802.11ac
• Bluetooth 4.0
• Intel WiDi (optional)
• Miracast (Windows 8.1)