Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement, for Alienware M15X R1 R2 M17X R1 R2 R3 M18X R1 Gaming Laptop, AMD ATI Mobility Radeon HD 5870 GDDR5 1GB,
Dell Alienware M17x R2 1GB Graphics AMD HD 5870 5870M VGA Video Card | eBay
AMD Radeon R2 Mobile Graphics Specs | TechPowerUp GPU Database
AMD Radeon R2 Mobile Graphics Specs | TechPowerUp GPU Database