Motherboard with processor Intel Core i7 3612QM - GeForce GT 640M LE MBX-261 for Sony Vaio SVS151A11M
GeForce GT 640M LE Can Run PC Game System Requirements
GeForce GT 640 1GB PCIe 3.0 DVI HDMI DP Video Card Dell YG17P Compeve Compenet GeForce GT 640 1GB PCIe 3.0 DVI HDMI DP Video Card Dell YG17P [GT640 YG17P] - $119.00 :
SONY Laptop VAIO S Series Intel Core i7 3rd Gen 3520M (2.90GHz) 8GB Memory 750GB HDD NVIDIA GeForce GT 640M LE 13.3" Windows 8 Professional 64-bit SVS13127PXB - Newegg.com
NVIDIA GeForce GT 640M LE - NotebookCheck.net Tech
Nvidia GeForce GT 640M, 650M, and GTX 660M debut, bring 28nm Kepler to mobile GPUs - The Verge