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Nvidia Geforce Gtx 580m Gtx580m 2gb Gddr5 Mxm 3.0b Video Graphics Card For Alienware M17x R2 R3 R4 I7-2820qm Gaming Notebook Pc - Laptop Repair Components - AliExpress
Eurocom Release
Mobile GPU Comparison: GeForce GTX 580M and Radeon HD 6990M - PC Perspective
Success: NVIDIA GTX 580M SLI on Alienware M17x-R2 Laptop
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Nvidia announces GeForce GTX 580M and 570M GPU, claims it to be the fastest notebook GPU ever