Dell Alienware 17 R2 (Early 2015) - Manual (Page 12)

Specifications
Views
System
Information
Memory
Ports and
Connectors
Dimensions and
Weight
Computer
Environment
Storage
Touchpad Power Adapter Camera
Communications
Battery
Video Audio
Display Keyboard
Media-Card
Reader
Video
Controller • Intel HD Graphics 4600
• Intel Iris Pro Graphics 5200
Memory Shared system memory
Discrete:
Controller • NVIDIA GeForce GTX 970M
• NVIDIA GeForce GTX 980M
Memory up to 4 GB GDDR5